Universe Today
The
Cygnus commercial cargo ship
'Janice Voss' built by Orbital Sciences finished it's month-long resupply mission and bid farewell to the International Space Station (ISS) this morning, Friday, Aug. 15, after
station astronauts
released the vessel from the snares of the Canadarm2 robotic arm at 6:40 a.m. EDT.
The on time release and departure took place as the massive
orbiting lab complex
was soaring 260 miles (400 km) above the west coast of Africa over the coastline of Namibia.
Expedition 40 Flight Engineer and
ESA astronaut Alexander Gerst
was in charge of commanding the vessels actual release from the snares on the end effector firmly grasping
Cygnus
at the terminus of the 58-foot (17-meter) long Canadian robotic arm.
Gerst was working at the robotics work station inside the seven windowed cupola, backed by fellow station crew member and NASA astronaut Reid Wiseman.
About two minutes later, Cygnus fired its thrusters to depart the million pound station and head toward a destructive fiery reentry into the Earth's atmosphere over the Pacific Ocean on Sunday, Aug. 17.
Ground controllers at Mission Control, Houston had paved the way for Cygnus release earlier this morning when they unberthed the cargo ship from the Earth-facing port of the Harmony module at about 5:14 a.m. EDT.
[caption id="attachment_113925" align="aligncenter" width="580"]
Cygnus Orb-2 spacecraft 'Janice Voss' unberthed from ISS at 5:14 a.m. EDT, Friday, Aug. 15, 2014. Credit: NASA TV[/caption]
This mission dubbed Orbital-2, or Orb-2, marks the second of at least eight operational cargo resupply missions to the ISS under Orbital's Commercial Resupply Services (CRS) contract with NASA.
The Cygnus spacecraft was christened "SS Janice Voss" in honor of Janice Voss who flew five shuttle missions during her prolific astronaut carrier, worked for both NASA and Orbital Sciences and passed away in February 2012.
[caption id="attachment_113033" align="aligncenter" width="580"]
Up-close side view of payload fairing protecting Cygnus cargo module named 'SS Janice Voss' during launch for Orb-2 mission to ISS. Vehicle undergoes prelaunch processing at NASA Wallops during visit by Universe Today/Ken Kremer. Credit: Ken Kremer - kenkremer.com[/caption]
Cygnus roared to orbit during a
spectacular blastoff on July 13
atop an Orbital Sciences Corp.
Antares rocket
on the Orb-2 mission at 12:52 p.m. (EDT) from the beachside Pad 0A at the Mid-Atlantic Regional Spaceport on NASA's Wallops Flight Facility on the Eastern Shore of Virginia.
[caption id="attachment_113278" align="aligncenter" width="580"]
Orbital Sciences Corporation Antares rocket and Cygnus spacecraft blasts off on July 13 2014 from Launch Pad 0A at NASA Wallops Flight Facility , VA, on the Orb-2 mission and loaded with over 3000 pounds of science experiments and supplies for the crew aboard the International Space Station. Credit: Ken Kremer - kenkremer.com[/caption]
The US/Italian built pressurized Cygnus cargo freighter delivered 1,657 kg (3653 lbs) of cargo to the ISS Expedition 40 crew including over 700 pounds (300 kg) of science experiments and instruments, crew supplies, food, water, computer equipment, spacewalk tools and student research experiments.
The supplies are critical to keep the station flying and humming with research investigations.
The wide ranging science cargo and experiments includes a flock of 28 Earth imaging nanosatellites and deployers, student science experiments and small cubesat prototypes that may one day fly
to Mars
.
The "Dove" flock of nanosatellites will be deployed from the Kibo laboratory module's airlock beginning next week. "They will collect continuous Earth imagery documenting natural and man-made conditions of the environment to improve disaster relief and increase agricultural yields" says NASA.
[caption id="attachment_113944" align="aligncenter" width="580"]
Cygnus Orb-2 spacecraft 'Janice Voss' departed ISS at 6:40 a.m. EDT, Friday, Aug. 15, 2014. Credit: NASA TV[/caption]
Cygnus
arrived at the station
after a three day chase. It was captured in open space on July 16, 2014 at 6:36 a.m. EDT by Commander Steve Swanson working at a robotics workstation in the cupola.
The by the book arrival coincided with the 45th anniversary of the launch of
Apollo 11
on July 16, 1969 on America's first
manned moon landing
mission by
Neil Armstrong
, Buzz Aldrin and Michael Collins.
Orbital Sciences was awarded a $1.9 Billion supply contract by NASA to deliver 20,000 kilograms (44,000 pounds) of research experiments, crew provisions, spare parts and hardware for 8 flights to the ISS through 2016 under the Commercial Resupply Services (CRS) initiative.
Stay tuned here for
Ken's
continuing ISS, Rosetta, OCO-2, GPM, Curiosity, Opportunity, Orion, SpaceX, Boeing, Orbital Sciences, MAVEN, MOM, Mars and more Earth & Planetary science and human spaceflight news.
Ken Kremer
[caption id="attachment_113203" align="aligncenter" width="580"]
Antares rocket and Cygnus spacecraft await launch on Orb 2 mission on July 13, 2014 from Launch Pad 0A at NASA Wallops Flight Facility Facility, VA. LADEE lunar mission launch pad 0B stands adjacent to right of Antares. Credit: Ken Kremer - kenkremer.com[/caption]