Now’s the time to catch Nova Herculis 2021, before it fades from view.
…And then, there were two. Fresh off of the eruption of Nova Cassiopeiae 2021 early this year, another galactic nova made itself known earlier this past weekend, as a ‘new star’ or nova flirted with naked eye visibility in the constellation Hercules the Hero on its border with Aquila the Eagle.
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Much like Dark Matter and Dark Energy, Fast Radio Burst (FRBs) are one of those crazy cosmic phenomena that continue to mystify astronomers. These incredibly bright flashes register only in the radio band of the electromagnetic spectrum, occur suddenly, and last only a few milliseconds before vanishing without a trace. As a result, observing them with a radio telescope is rather challenging and requires extremely precise timing.
Hence why the Dominion Radio Astrophysical Observatory (DRAO) in British Columbia launched the Canadian Hydrogen Intensity Mapping Experiment (CHIME) in 2017. Along with their partners at the National Radio Astronomy Observatory (NRAO), the Massachusetts Institute of Technology (MIT), the Perimeter Institute, and multiple universities, CHIME detected more than 500 FRBs in its first year of operation (and more than 1000 since it commenced operations)!
Continue reading “CHIME Detected Over 500 Fast Radio Burst in its First Year, Providing new Clues to What’s Causing Them”
On July 20th,, Blue Origin will conduct the first crewed launch of their New Shepard rocket, the reusable launch vehicle that will send small payloads and customers to space. In addition to Jeff Bezos and his brother Mark, the company announced that one of the seats was being left open for auction. On Saturday, June 12th, the company announced that the auction had closed with a winning bid of $28 million USD.
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They say imitation is the sincerest form of flattery, and that competition is a great way to foster progress and innovation. If these truisms are to be believed, then the NewSpace industry is destined to benefit from the presence of Relativity Space, a commercial space company based in Los Angeles. At the same time, SpaceX founder Elon Musk should be flattered that Tim Ellis and Jordan Noone (founders of Relativity Space) are following his example.
Roughly six years ago, Ellis and Noone founded Relativity for the purpose of using new technologies to disrupt the aerospace industry. Earlier this week (Tuesday, June 8th), the company announced that it had raised an additional $650 million in private capital. This money will go towards the development of rockets that are entirely 3D-printed and fully reusable, as well as the creation of a new class of heavy launch vehicles known as the “Terran-R.”
Continue reading “Relativity Space Gets a Huge Investment to Take on SpaceX With Reusable Rockets”
In 2016, Russian-American billionaire Yuri Milner founded Breakthrough Initiatives, a non-profit organization dedicated to investigating some of the most enduring mysteries of the Universe. Chief among their scientific efforts is Breakthrough Starshot, a proof-of-concept prototype that combines a lightsail, a nanocraft, and directed energy (aka. laser) propulsion to create a spacecraft capable of reaching the nearest star (Alpha Centauri) in our lifetimes.
Naturally, this presents all sorts of technical and engineering challenges, not the least of which is the amount of power needed to accelerate the spacecraft to relativistic speeds (a fraction of the speed of light). Luckily, scientists from the Australian National University (ANU) recently came up with a design for a directed-energy array made up of millions of individual lasers positioned across the Earth’s surface.
Continue reading “Sending a Spacecraft to Another Star Will Require a Million Lasers Working Together”
In recent years, Amazon founder Jeff Bezos has watched his commercial space company, Blue Origin, lose ground to the competition. While SpaceX has progressed by leaps and bounds towards realizing regular launches to the Moon and Mars (with the fully-reusable Starship), Blue Origin has been stuck in development hell with its launch vehicles. For this reason, Bezos announced that he would be stepping down as CEO of Amazon to focus on his fledgling space company.
So far, this decision has borne fruit, with the successful suborbital flight test of the New Shepard rocket that took place this past April. Stepping things up a notch, Bezos recently announced that when the first crewed flight of the New Shepard happens later this summer, he will be among the passengers. Scheduled to take place on July 20th, this mission will see Bezos and his younger brother Mark become the first billionaire space tycoon to launch to space.
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In 1990, the field of astronomy was forever changed with the launch of the Hubble Space Telescope. While it was not the first space observatory, its unprecedented resolution and versatility allowed for the deepest and most detailed images of the Universe ever taken. The latest image to be released by the mission features the spiral galaxy NGC 691, which was captured in amazing detail by Hubble’s Wide Field Camera 3 (WFC3).
Continue reading “Time to Update Your Desktop Wallpaper With This Perfect Spiral Galaxy: NGC 691”
In 1960, the first survey dedicated to the Search for Extraterrestrial Intelligence (SETI) was mounted at the Green Bank Observatory in West Virginia. This was Project Ozma, which was the brainchild of famed astronomer and SETI pioneer Frank Drake (for whom the Drake Equation is named). Since then, the collective efforts to find evidence of life beyond Earth have coalesced to create a new field of study known as astrobiology.
The search for extraterrestrial life has been the subject of renewed interest thanks to the thousands of exoplanets that have been discovered in recent years. Unfortunately, our efforts are still heavily constrained by our limited frame of reference. However, a new tool developed by a team of researchers from the University of Glasgow and Arizona State University (ASU) could point the way towards life in all of its forms!
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The core of the Milky Way Galaxy (aka. Galactic Center), the region around which the rest of the galaxy revolves, is a strange and mysterious place. It is here that the Supermassive Black Hole (SMBH) that powers the compact radio source known as Sagittarius A* is located. It is also the most compact region in the galaxy, with an estimated 10 million stars within 3.26 light-years of the Galactic Center.
Using data from Chandra X-ray Observatory and the MeerKAT radio telescope, NASA and the National Research Foundation (NSF) of South Africa created a mosaic of the center of the Milky Way. Combining images taken in the x-ray and radio wavelengths, the resulting panoramic image manages to capture the filaments of super-heated gas and magnetic fields that (when visualized) shows the complex web of energy at the center of our galaxy.
Continue reading “New Mosaic Shows the Galactic Core From Opposite Sides of the Electromagnetic Spectrum”
When NASA’s Perseverance rover landed in the Jezero crater on February 18th, 2021, it brought with it an interesting little companion that’s been causing quite a stir of late! We are talking, of course, about the Ingenuity Mars Helicopter, an experimental flight system designed to demonstrate if aerial systems can work on Mars. Since its inaugural flight on April 19th, the helicopter has been pushing the boundaries of flight on Mars, going farther and faster each time.
In fact, the helicopter managed to establish multiple records in the course of its first five flights, reaching a maximum distance of 266 m (873 ft) in 117 seconds. Unfortunately, things did not go so well for Ingenuity during its sixth and latest flight. Due to a navigation timing error, the helicopter strayed from its flight path, but managed to land safely just a few meters from where it was supposed to.
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