FILE - This May 23, 2010 image provided by NASA shows the International Space Station with the Earth in the background made from the space shuttle Atlantis after undocking. On Wednesday, Jan. 8, 2014, NASA said the White House was poised to announce an extension of the space station's lifetime until at least 2024. The previous end-of-life date was 2020. (AP Photo/NASA)
CAPE CANAVERAL, Fla. (AP) - A commercial cargo ship has ended its month-long space station visit.
Astronauts aboard the International Space Station released the Cygnus supply ship, now full of trash for disposal early Friday. They parted company 260 miles above Africa's southwest coast.
Orbital Sciences Corp. launched the Cygnus from Virginia in mid-July under a NASA contract. The unmanned craft hauled more than 3,000 pounds of crucial cargo to the orbiting outpost. Now it's loaded with rubbish, some 3,500 pounds' worth.
"All the best wishes," German spaceman Alexander Gerst radioed to the company's flight controllers.
On Sunday, the Virginia-based Orbital Sciences will steer the craft down through the atmosphere to burn up. The six space station astronauts will attempt to record the fiery re-entry for engineering analysis. The same documentation will be done when a European supply ship departs early next year. That ship, launched from French Guiana, delivered its shipment just a few days ago.
NASA and its international partners - Russia, Europe, Japan and Canada - want to learn as much about atmospheric re-entry as possible to prepare for the space station's eventual demise in the decade or two ahead.
Orbital Sciences Corp. is one of two U.S. companies hired by NASA to deliver space station goods. The California-based SpaceX will make its next supply run next month.
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