Remember this amazing image from 2008? The HiRISE (High Resolution Imaging Science Experiment) camera on the Mars Reconnaissance Orbiter captured the Phoenix lander descending on a parachute to land on Mars’ north polar region. MRO will attempt a repeat performance in August of 2012 when the Mars Science Laboratory rover “Curiosity” will be landing in Gale Crater on Mars. Capturing this event would be epic, especially with MSL’s unique “skycrane” landing system.
“Yes, MRO is planning to image the descent of MSL with both HiRISE and CTX (Context Camera),” Alfred McEwen, HiRISE principal investigator told Universe Today. “For Phoenix we got a bit lucky with HiRISE in terms of the geometry, giving us a high probability of success. It may not work out so well for MSL. What I’d really like is to capture the rover hanging from the skycrane, but the timing may be difficult.”
Again, the word here is epic.
So, how challenging is it for a spacecraft orbiting Mars to try and track another spacecraft coming in?
“If we were not to do anything, the Mars’ orbiting spacecraft may be on the other side of the planet,” said MSL navigation team chief Tomas Martin-Mur, during an interview with UT. “So as soon as we launch, we tell the other spacecraft where we are going to be by the time of entry so they can change their orbits over time, so they will be flying overhead as MSL approaches the planet.”
The orbiters – which also includes NASA’s Mars Odyssey and ESA’s Mars Express – will have to do special maneuvers to be aligned in just the right place – nearby to MSL’s point of entry into Mars’ atmosphere — and they may even have to change the plane of their orbit.
“The other thing that we’ll need them to do is to point their UHF antennas towards MSL,” Martin-Mur said. “Normally their antennas will be pointed to take pictures, but they will have to go to a special attitude to point to MSL. This will enable them to try — like they did with Phoenix — to take a picture of the spacecraft as it is coming down to the planet. We are hoping to see the parachute deployed and maybe more.”
“That was a great picture for Phoenix, and we will attempt to repeat that,” Martin-Mur added.
While Odyssey and Mars Express’ cameras may not have the resolving power to capture such an image, MRO’s powerful HiRISE camera does. However it has a narrower field of view, so as much skill and planning as this requires, the team will need a little luck, too. But there’s also the CTX.
“CTX has a much larger field of view and will likely capture it,” McEwen said, “but at 20X lower resolution than HiRISE, which should still be good enough to detect the parachute.”
Here’s a preview of what MSL will be going through during the perilous entry descent and landing:
For a birds-eye view of where it all started, watch the cool close-up launch video, below taken from within the Atlas pad security fence.
Indeed the launch precision was so good that mission controllers at NASA’s Jet Propulsion Lab in Pasadsena, Calif., have announced they postponed the first of six planned course correction burns for the agency’s newest Mars rover by at least a month. The firing had been planned for some two weeks after liftoff.
Curiosity is merrily sailing on a 254 day and 352-million-mile (567-million-kilometer) interplanetary flight from the Earth to Mars that will culminate on August 6, 2012 with a dramatic first-of-its-kind precision rocket powered touchdown inside Gale Crater.
“This was among the most accurate interplanetary injections ever,” said Louis D’Amario of NASA’s Jet Propulsion Laboratory, Pasadena, Calif. He is the mission design and navigation manager for the Mars Science Laboratory.
Video Caption: View from inside the Pad 41 Security Fence at Cape Canaveral. Shot by a Canon 7D still camera during the launch of the Atlas V rocket carrying the MSL Curiosity rover to Mars. Thanks to a sound trigger my camera started firing at three frames per second from just after main engine ignition up until the exhaust plume finally envelops the camera and deadens all sound around it. The frames have been slowed down quite a bit for dramatic effect. Enjoy seeing what it is like for us media personnel who set out our remote cameras for launches at Kennedy Space Center and Cape Canaveral, Florida. Credit: Chase Clark/shuttlephotos.com
As of midday Friday, Dec. 2, the spacecraft had already traveled 10.8 million miles (17.3 million kilometers) and is moving at 7,500 mph (12,000 kilometers per hour) relative to Earth and at 73,800 mph (118,700 kilometers per hour) relative to the sun.
An interesting fact is that engineers deliberately planned the spacecraft’s initial trajectory to miss Mars by about 35,000 miles (56,400 kilometers) so that the Centaur upper stage does not hit Mars by accident. Both Centaur and Curiosity are currently following the same trajectory through the vast void of space and the actual trajectory puts them on course to miss Mars by about 38,000 miles (61,200 kilometers).
The Centaur has not been thoroughly cleaned of earthly microbes in the same way as Curiosity – and therefore cannot be permitted to impact the Martian surface and potentially contaminate the very studies Curiosity seeks to carry out in searching for the “Signs of Life”.
For the 8.5 month voyage to Mars, Curiosity and the rocket powered descent stage are tucked inside an aeroshell and are attached to the huge solar powered cruise stage.
The cruise stage is rotating at 2.05 rounds per minutes and is continuously generating electric power – currently about 800 watts – from the gleaming solar arrays. It also houses eight miniature hydrazine fueled thrusters. The propellant is stored inside titanium tanks.
The historic voyage of the largest and most sophisticated Martian rover ever built by humans seeks to determine if Mars ever offered conditions favorable for the genesis of microbial life.
Curiosity is packed to the gills with 10 state of the art science instruments that are seeking to detect the signs of life in the form of organic molecules – the carbon based building blocks of life as we know it.
The car sized robot is equipped with a drill and scoop at the end of its 7 ft long robotic arm to gather soil and powdered samples of rock interiors, then sieve and parcel out these samples into two distinct analytical laboratory instruments inside the rover.
A trio of NASA’s Planetary Science mission’s – Mars Science Laboratory (MSL), Dawn and MESSENGER – has been honored by Popular Science magazine and selected as ‘Best of What’s New’ in innovation in 2011 in the aviation and space category.
The Curiosity Mars Science Laboratory was just launched to the Red Planet on Saturday, Nov. 26 and will search for signs of life while traversing around layered terrain at Gale Crater. Dawn just arrived in orbit around Asteroid Vesta in July 2011. MESSENGER achieved orbit around Planet Mercury in March 2011.
Several of the top mission scientists and engineers provided exclusive comments about the Popular Science recognitions to Universe Today – below.
“Of course we are all very pleased by this selection,” Prof. Chris Russell, Dawn Principal Investigator, of UCLA, told Universe Today.
Dawn is the first mission ever to specifically investigate the main Asteroid Belt between Mars and Jupiter and will orbit both Vesta and Ceres – a feat enabled solely thanks to the revolutionary ion propulsion system.
“At the same time I must admit we are also not humble about it. Dawn is truly an amazing mission. A low cost mission, using NASA’s advanced technology to enormous scientific advantage. It is really, really a great mission,” Russell told me.
Vesta is the second most massive asteroid and Dawn’s discoveries of a surprisingly dichotomous and battered world has vastly exceeded the team’s expectations.
“Dawn is NASA at its best: ambitious, exciting, innovative, and productive,” Dr. Marc Rayman, Dawn’s Chief Engineer from the Jet Propulsion Lab (JPL), Pasadena, Calif., told Universe Today.
“This interplanetary spaceship is exploring uncharted worlds. I’m delighted Popular Science recognizes what a marvelous undertaking this is.”
JPL manages both Dawn and Mars Science Laboratory for NASA’s Science Mission Directorate in Washington, D.C.
Dawn is an international science mission. The partners include the German Aerospace Center (DLR), the Max Planck Institute for Solar System Research, the Italian Space Agency and the Italian National Astrophysical Institute.
“Very cool!”, John Grotzinger, the Mars Science Laboratory Project Scientist of the California Institute of Technology, told Universe Today.
“MSL packs the most bang for the buck yet sent to Mars.”
Curiosity is using an unprecedented precision landing system to touch down inside the 154 km (96 miile) wide Gale Crater on Aug. 6, 2012. The crater exhibits exposures of phyllosilicates and other minerals that may have preserved evidence of ancient or extant Martian life and is dominated by a towering mountain.
“10 instruments all aimed at a mountain higher than any in the lower 48 states, whose stratigraphic layering records the major breakpoints in the history of Mars’ environments over likely hundreds of millions of years, including those that may have been habitable for life.”
“It’s like a trip down the Grand Canyon 150 years ago, with the same sense of adventure, but with a lot of high tech equipment,” Grotzinger told me.
MSL also has an international team of over 250 science investigators and instruments spread across the US, Europe and Russia.
MESSENGER is the first probe to orbit Mercury and the one year primary mission was recently extended by NASA.
Sean Solomon, of the Carnegie Institution of Washington, leads the MESSENGER mission as principal investigator. The Johns Hopkins University Applied Physics Laboratory built and operates the MESSENGER spacecraft for NASA.
“Planetary has 3 missions there… Dawn, MESSENGER, and MSL,” Jim Green proudly said to Universe Today regarding the Popular Science magazine awards. Green is the director, Planetary Science Division, NASA Headquarters, Washington
“Three out of 10 [awards] is a tremendous recognition of the fact that each one of our planetary missions goes to a different environment and takes on new and unique measurements providing us new discoveries and constantly changes how we view nature, ourselves, and our place in the universe.”
Read more about the Popular Science citations and awards here
Read continuing features about Curiosity, Dawn and MESSENGER by Ken Kremer starting here:
What does a spacecraft look like as it lights-out for another world? This incredible time-lapse video was taken by astronomers at the Sir Thomas Brisbane Planetarium in Australia. The sequence shows a plume drifting against the background stars, probably caused by venting from the Centaur rocket stage that sent the Mars Science Laboratory/Curiosity Rover on its way to the Red Planet, after it carried out a burn over the Indian Ocean on November 26, 2011.
Brisbane Planetarium Curator Mark Rigby said that he and photographer/amateur astronomer Duncan Waldron, along with another planetarium staff member were likely the only people who saw this amazing sight, as they have received no other reports of similar observations.
Rigby said they are “are over the Moon – or higher” from seeing the departure of the Mars Science Laboratory, its rocket stage and plume above Australia on Sunday. “It is a real shame that we couldn’t have woken up everyone that didn’t have clouds,” Rigby wrote on the Planetarium’s Facebook page. “Even we didn’t expect to see such a spectacle. Can you imagine the feeling if there had been a crew onboard heading for Mars?”
Rigby first saw the plume at 2:15am local time, (16:15 UT) and said it was “a one-degree elongated cloud of VERY easy naked eye brightness.” Duncan Waldron also saw it starting at about 2:30pm and began to photograph it until it faded. Nonetheless, he captured a unique timelapse covering 21 minutes until 3am.
Here is one of Waldron’s images, below:
The coordinates of the observing site: -27.630779,152.966324, altitude 40m approx.
Congrats to the Sir Thomas Brisbane Planetarium team for capturing such an amazing and historical sight!
The Mars Science Laboratory is now on an 8.5 month trip to Mars! Watch the successful launch above, and our on-site team of Ken Kremer, Alan Walters, David Gonazales and Jason Rhian will provide all the launch details and more in subsequent, fact- and photo-filled articles.
NASA’s Curiosity Mars rover, the most technologically complex and scientifically capable robot built by humans to explore the surface of another celestial body, is poised to liftoff on Nov. 26 and will enable a quantum leap in mankind’s pursuit of Martian microbes and signatures of life beyond Earth.
“The Mars Science Lab and the rover Curiosity is ‘locked and loaded’, ready for final countdown on Saturday’s launch to Mars,” said Colleen Hartman, assistant associate administrator in NASA’s Science Mission Directorate, at a pre-launch media briefing at the Kennedy Space Center (KSC).
The $2.5 Billion robotic explorer remains on track for an on time liftoff aboard a United Launch Alliance Atlas V rocket at 10:02 a.m. on Nov. 26 from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida.
NASA managers and spacecraft contractors gave the “Go-Ahead” for proceeding towards Saturday’s launch at the Launch Readiness Review on Wednesday, Nov. 23. The next milestone is to move the Atlas V rocket 1800 ft. from its preparation and assembly gantry inside the Vertical Integration Facility at the Cape.
“We plan on rolling the vehicle out of the Vertical Integration Facility on Friday morning [Nov. 25] ,” said NASA Launch Director Omar Baez at the briefing. “We should be on the way to the pad by 8 a.m.”
The launch window on Nov. 26 is open until 11:14 a.m. and the current weather prognosis is favorable with chances rated at 70 percent “GO”.
“The final launch rehearsal – using the real vehicle ! – went perfectly, said NASA Mars manager Rob Manning, in an exclusive interview with Universe Today. Manning is the Curiosity Chief Engineer at NASA’s Jet Propulsion Laboratory in Pasadena, Calif.
“I was happy.”
“The folks at KSCs Payload Handling Facility and at JPL’s cruise mission support area (CMSA) – normally a boisterous bunch – worked quietly and professionally thru to T-4 minutes and a simulated fake hold followed by a restart and a recycle (shut down) due to a sail boat floating too close to the range,” Manning told me.
Readers may recall that NASA’s JUNO Jupiter orbiter launch in August was delayed by an hour when an errant boat sailed into the Atlantic Ocean exclusion zone.
“This rover, Curiosity rover, is really a rover on steroids. It’s an order of magnitude more capable than anything we have ever launched to any planet in the solar system,” said Hartman.
“It will go longer, it will discover more than we can possibly imagine.”
Curiosity is locked atop the powerful Alliance Atlas V rocket that will propel the 1 ton behemoth on an eight and one half month interplanetary cruise from the alligator filled swamps of the Florida Space Coast to a layered mountain inside Gale Crater on Mars where liquid water once flowed and Martian microbes may once have thrived.
Curiosity is loaded inside the largest aeroshell ever built and that will shield her from the extreme temperatures and intense buffeting friction she’ll suffer while plummeting into the Martian atmosphere at 13,000 MPH (5,900 m/s) upon arrival at the Red Planet in August 2012.
The Curiosity Mars Science Lab (MSL) rover is the most ambitious mission ever sent to Mars and is equipped with a powerful 75 kilogram (165 pounds) array of 10 state-of-the-art science instruments weighing 15 times as much as its predecessor’s science payloads.
Curiosity measures 3 meters (10 ft) in length and weighs 900 kg (2000 pounds), nearly twice the size and five times as heavy as NASA’s prior set of twin robogirls – Spirit and Opportunity.
The science team selected Gale crater as the landing site because it exhibits exposures of clays and hydrated sulfate minerals that formed in the presence of liquid water billions of years ago, indicating a wet history on ancient Mars that could potentially support the genesis of microbial life forms. Water is an essential prerequisite for life as we know it.
Gale Crater is 154 km (96 mi) in diameter and dominated by a layered mountain rising some 5 km (3 mi) above the crater floor.
The car sized rover is being targeted with a first of its kind precision rocket powered descent system to touchdown inside a landing ellipse some 20 by 25 kilometers (12.4 miles by 15.5 miles) wide and astride the towering mountain at a location in the northern region of Gale.
Curiosity’s goal is to search the crater floor and nearby mountain – half the height of Mt. Everest – for the ingredients of life, including water and the organic molecules that we are all composed of.
The robot will deploy its 7 foot long arm to collect soil and rock samples to assess their composition and determine if any organic materials are present – organics have not previously been detected on Mars.
Curiosity will also vaporize rocks with a laser to determine which elements are present, look for subsurface water in the form of hydrogen, and assess the weather and radiation environments
“After the rocket powered descent, the Sky-Crane maneuver deploys the rover and we land on the mobility system, said Pete Theisinger, MSL project manager from the Jet Propulsion Laboratory in Pasadena, Calif., at the briefing.
The rover will rover about 20 kilometers in the first year. Curiosity has no life limiting constraints. The longevity depends on the health of the rovers components and instruments.
“We’ve had our normal challenges and hiccups that we have in these kinds of major operations, but things have gone extremely smoothly and we’re fully prepared to go on Saturday morning. We hope that the weather cooperates, said Theisinger
Missions to Mars are exceedingly difficult and have been a death trap for many orbiters and landers.
“Mars really is the Bermuda Triangle of the solar system,” said Hartman. “It’s the ‘death planet,’ and the United States of America is the only nation in the world that has ever landed and driven robotic explorers on the surface of Mars. And now we’re set to do it again.”
Complete Coverage of Curiosity – NASA’s Next Mars Rover launching 26 Nov. 2011
Read continuing features about Curiosity by Ken Kremer starting here:
Nov 19 Update: MSL launch delayed 24 h to Nov. 26 – details later
In just 7 days, Earth’s most advanced robotic roving emissary will liftoff from Florida on a fantastic journey to the Red Planet and the search for extraterrestrial life will take a quantum leap forward. Scientists are thrilled that the noble endeavor of the rover Curiosity is finally at hand after seven years of painstaking work.
NASA’s Curiosity Mars Science Laboratory (MSL) rover is vastly more capable than any other roving vehicle ever sent to the surface of another celestial body. Mars is the most Earth-like planet in our Solar System and a prime target to investigate for the genesis of life beyond our home planet.
Curiosity is all buttoned up inside an aeroshell at a seaside launch pad atop an Atlas V rocket and final preparations are underway at the Florida Space Coast leading to a morning liftoff at 10:25 a.m. EST on Nov. 25, the day after the Thanksgiving holiday.
“MSL is ready to go,” said Doug McCuistion, director of the Mars Exploration Program at NASA Headquarters in Washington, at a media briefing. “It’s a momentous occasion. We’re just thrilled that we’re at this point.”
“Curiosity is ‘Seeking the Signs of Life’, but is not a life detection mission. It is equipped with state-of-the-art science instruments.”
“It’s not your father’s rover. It’s a 2000 pound machine that’s over 6 feet tall – truly a wonder of engineering,” McCuistion stated.
“Curiosity is the best of US imagination and US innovation. And we have partners from France, Canada, Germany, Russia and Spain.”
“Curiosity sits squarely in the middle of our two decade long strategic plan of Mars exploration and will bridge the gap scientifically and technically from the past decade to the next decade.”
“Mars Science Laboratory builds upon the improved understanding about Mars gained from current and recent missions,” said McCuistion. “This mission advances technologies and science that will move us toward missions to return samples from and eventually send humans to Mars.”
The car sized rover is due to arrive at Mars in August 2012 and land inside Gale Crater near the base of a towering and layered Martian mountain, some 5 kilometers (3 miles) high. Gale Crater is 154 km (96 mi) in diameter.
The landing site was chosen because it offers multiple locations with different types of geologic environments that are potentially habitable and may have preserved evidence about the development of microbial life, if it ever formed.
Gale Crater is believed to contain clays and hydrated minerals that formed in liquid water eons ago and over billions of years in time. Water is an essential prerequisite for the genesis of life as we know it.
The one ton robot is a behemoth, measuring 3 meters (10 ft) in length and is nearly twice the size and five times as heavy as NASA’s prior set of twin rovers – Spirit and Opportunity.
Curiosity is equipped with a powerful array of 10 science instruments weighing 15 times as much as its predecessor’s science payloads. The rover can search for the ingredients of life including water and the organic molecules that we are all made of.
Curiosity will embark on a minimum two year expedition across the craters highly varied terrain, collecting and analyzing rock and soil samples in a way that’s never been done before beyond Earth.
Eventually our emissary will approach the foothills and climb the Martian mountain in search of hitherto untouched minerals and habitable environments that could potentially have supported life’s genesis.
With each science mission, NASA seeks to take a leap forward in capability and technology to vastly enhance the science return – not just to repeat past missions. MSL is no exception.
Watch a dramatic action packed animation of the landing and exploration here:
Curiosity was designed at the start to be vastly more capable than any prior surface robotic explorer, said Ashwin Vasavada, Curiosity’s Deputy Project Scientist at NASA’s Jet Propulsion Laboratory in Pasadena, Calif
“This is a Mars scientist’s dream machine.”
Therefore this mission uses new technologies to enable the landing of a heavier science payload and is inherently risky. The one ton weight is far too heavy to employ the air-bag cushioned touchdown system used for Spirit and Opportunity and will use a new landing method instead.
Curiosity will pioneer an unprecedented new precision landing technique as it dives through the Martian atmosphere named the “sky-crane”. In the final stages of touchdown, a rocket-powered descent stage will fire thusters to slow the descent and then lower the rover on a tether like a kind of sky-crane and then safely set Curiosity down onto the ground.
NASA has about three weeks to get Curiosity off the ground from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida before the planetary alignments change and the launch window to Mars closes for another 26 months.
“Preparations are on track for launching at our first opportunity,” said Pete Theisinger, MSL project manager at NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, Calif. “If weather or other factors prevent launching then, we have more opportunities through Dec. 18.”
Complete Coverage of Curiosity – NASA’s Next Mars Rover launching 25 Nov. 2011
Read continuing features about Curiosity by Ken Kremer starting here:
Only time now stands in the way of Curiosity’s long awaited date with the Red Planet. NASA’s next, and perhaps last Mars rover was transported to the launch pad at Cape Canaveral Air Force Station and then hoisted on top of the mighty Atlas V rocket that will propel her on a 10 month interplanetary journey to Mars to seek out the potential habitats of Extraterrestrial life.
In less than three weeks on November 25 – the day after Thanksgiving – the Curiosity Mars Science Laboratory (MSL) rover will soar to space aboard the Atlas V booster. Touchdown astride a layered mountain at the Gale Crater landing site is set for August 2012.
The $2.5 Billion rover must liftoff by Dec. 18 at the latest, when the launch window to Mars closes for another 26 months. Any delay would cost hundreds of millions of dollars.
Curiosity represents a quantum leap in science capabilities and is by far the most advanced robotic emissary sent to the surface of another celestial body. MSL will operate for a minimum of one Martian year, equivalent to 687 days on earth.
After years of meticulous design work and robotic construction by dedicated scientists and engineers at NASA’s Jet Propulsion Laboratory in California and months of vigilant final assembly and preflight processing at the Payload Hazardous Servicing Facility (PHSF) at NASA’s Kennedy Space Center in Florida, Curiosity was finally moved the last few miles (km) she’ll ever travel on Earth – in the dead of night – to Space Launch Complex 41 at the Cape.
The robo behemoth was tucked inside her protective aeroshell Mars entry capsule and clamshell-like nose cone, gingerly loaded onto the payload transporter inside the PHSF and arrived – after a careful drive – at Pad 41 at about 4:35 a.m. EDT on Nov. 3. The move was delayed one day by high winds at the Cape.
Teams from rocket builder United Launch Alliance then hoisted MSL by crane on top of the Atlas V rocket already assembled inside the launch gantry known as the Vertical Integration Facility, or VIF, and bolted it to the venerable Centaur upper stage. Technicians also attached umbilicals for mechanical, electrical and gaseous connections.
Curiosity’s purpose is to search for evidence of habitats that could ever have supported microbial life on Mars and determine whether the ingredients of life exist on Mars today in the form of organic molecules – the building blocks of life.
We are all made of organic molecules – which is one of the essential requirements for the genesis of life along with water and an energy source. Mars harbors lots of water and is replete with energy sources, but confirmation of organics is what’s lacking.
The Atlas V will launch in the configuration known as Atlas 541. The 4 indicates a total of four solid rocket motors (SRM) are attached to the base of the first stage. The 5 indicates a five meter diameter payload fairing. The 1 indicates use of a single engine Centaur upper stage.
One of the last but critical jobs remaining at the pad is installation of Curiosity’s MMRTG (Multi-Mission Radioisotope Thermoelectric Generator) power source about a week before launch around Nov. 17. Technicians will install the MMRTG through small portholes on the side of the payload fairing and aeroshell.
The nuclear power source will significantly enhance the driving range, scientific capability and working lifetime of the six wheeled rover compared to other solar powered landed surface explorers like Pathfinder, Spirit, Opportunity, Phoenix and Phobos-Grunt.
The minivan sized rover measures three meters in length, roughly twice the size of the MER rovers; Spirit and Opportunity. MSL is equipped with 10 science instruments for a minimum two year expedition across Gale crater. The science payload weighs ten times more than any prior Mars rover mission.
The Atlas V rocket and Curiosity will roll out to the launch pad on Wednedsay, November 23, the day before Thanksgiving.
Meanwhile, Russia’s Phobos-Grunt mission to Mars and Phobos is on target to blast off on November 9, Moscow time [Nov 8, US time].
And it won’t open up again until a few minutes after she blasts off for the Red Planet in just a little more than 3 weeks from now on Nov. 25, 2011 – the day after Thanksgiving celebrations in America.
The two halves of the payload fairing serve to protect NASA’s next Mars rover during the thunderous ascent through Earth’s atmosphere atop the powerful Atlas V booster rocket that will propel her on a fantastic voyage of hundreds of millions of miles through interplanetary space.
Spacecraft technicians working inside the Payload Hazardous Servicing Facility at NASA’s Kennedy Space Center (KSC) in Florida have now sealed Curiosity and her aeroshell inside the payload fairing shroud. The fairing insulates the car sized robot from the intense impact of aerodynamic pressure and heating during ascent. At just the right moment it will peal open and be jettisoned like excess baggage after the rocket punches through the discernable atmosphere.
The next trip Curiosity takes will be a few miles to the Launch Pad at Space Launch Complex 41 at adjacent Cape Canaveral Air Force Station. She will be gingerly loaded onto a truck for a sojourn in the dead of night.
“Curiosity will be placed onto the payload transporter on Tuesday and goes to Complex 41 on Wednesday, Nov. 2,” KSC spokesman George Diller told Universe Today. “The logo was applied to the fairing this weekend.”
At Pad 41, the payload will then be hoisted atop the United Launch Alliance Atlas V rocket and be bolted to the Centaur upper stage.
Installation of Curiosity’s MMRTG (Multi-Mission Radioisotope Thermoelectric Generator) power source is one of the very last jobs and occurs at the pad just in the very final days before liftoff for Mars.
The MMRTG will be installed through a small porthole in the payload fairing and the aeroshell (see photo below).
The plutonium dioxide based power source has more than 40 years of heritage in interplanetary exploration and will significantly enhance the driving range, scientific capability and working lifetime of the six wheeled rover compared to the solar powered rovers Spirit and Opportunity.
After a 10 month voyage, Curiosity is due to land at Gale Crater in August 2012 using the revolutionary sky crane powered descent vehicle for the first time on Mars.
Curiosity has 10 science instruments to search for evidence about whether Mars has had environments favorable for microbial life, including chemical ingredients for life. The unique rover will use a laser to look inside rocks and release the gasses so that its spectrometer can analyze and send the data back to Earth.
Phobos-Grunt, Earth’s other mission to Mars courtesy of Russia is due to blast off first from the Baikonur Cosmodrome on November 9, 2011.
Take a good last, long look at the magnificent robot that is Curiosity, because she’s been all buttoned up for her long Martian voyage in search of the ingredients of life. After years of exhaustive work, the most technologically advanced surface robotic rover ever to be sent beyond Earth has been assembled into the flight configuration, a NASA spokesperson informed Universe Today.
The next time Curiosity opens her eyes she will have touched down at the foot of a layered mountain inside the planet’s Gale crater.
Curiosity – NASA’s next Mars rover – is formally known as the Mars Science Laboratory (or MSL) and has entered the final stages of preflight processing.
After extensive quality assurance testing, Curiosity has been encapsulated for the final time inside the aeroshell that will be her home during the 10 month long interplanetary cruise to Mars. Furthermore, she’s been attached to the cruise stage that will guide her along the path from the home planet to the red planet.
The work to combine all the components into an integrated assembly was carried out inside the clean room facilities of the Payload Hazardous Servicing Facility at NASA’s Kennedy Space Center (KSC) in Florida.
The aeroshell is comprised of the heat shield and back shell.
The job of the aeroshell is to protect Curiosity from the intense heat of several thousand degrees F(C) generated by friction as the delicate assemblage smashes into the Martian atmosphere at about 13,200 MPH (5900 m/s) and plummets some 81 miles during the terrifying seven minute long entry, descent and landing (EDL) on the surface.
The massive 2000 lb (900 kg) rover is folded up and mated to the back shell powered descent vehicle, known as the PDV or Sky Crane. The spacecraft is designed to steer itself through a series of S-curve maneuvers to slow the spacecraft’s descent through the Martian atmosphere.
In the final moments, the rocket powered Sky crane will lower the robot on tethers and then safely set Curiosity down onto the ground at a precise location inside the chosen landing site astride a layered mountain in Gale Crater believed to contain phyllosilicate clays and hydrated sulfate minerals that formed in liquid water.
The robot is the size of a compact car and measures three meters in length, roughly twice the size of the MER rovers; Spirit and Opportunity. It is equipped with 10 science instruments for a minimum two year expedition across Gale crater.
Curiosity will search for the ingredients of life including water and organic molecules and environmental conditions that could have been hospitable to sustaining Martian microbial life forms if they ever existed in the past or survived to the present through dramatic alterations in Mars climatic and geologic history.
Liftoff of the $2.5 Billion Curiosity rover is slated for Nov. 25 from Cape Canaveral Air Force Station in Florida on a United Launch Alliance Atlas V booster rocket. The launch window to Mars extends until Dec. 18.
This coming week, Curiosity will be encapsulated into the clamshell like payload fairing and the MSL logo will then be applied to the fairing, KSC spokesman George Diller told Universe Today. It will then be hoisted onto the payload transporter and carefully conveyed to Space Launch Complex 41 on Nov. 2, for mating atop the Atlas V rocket.