In younger astronauts, Glenn said, the "aging" effect reverses itself when they return to Earth.
Dragon's return to Earth was delayed one day by bad weather in the splashdown zone.
If successful, the probe will return to Earth and parachute its samples back in January 2006.
Dragon went on to become the first commercial spacecraft to reach orbit and safely return to earth.
The returning Alpha crewmembers, meanwhile, are doubling up on exercise sessions to prepare for their return to Earth's gravity.
Mr. Marshburn has been on the space station since December and is set to return to Earth late Monday.
Dragon is expected to return to Earth at the end of the month.
In 2006, Stardust is scheduled to become the first spacecraft to return to Earth with material from beyond the moon.
The gravity assist would allow a safe return to Earth even if the spacecraft's main rocket engine failed, Professor Longuski said.
The video clip is a farewell of sorts: He is due to depart the space station Monday night and return to Earth.
Each tray included contact details so it could be sent back to SEA once it was found on its return to earth.
The three new arrivals are due to return to Earth in September.
Several hundred pounds of supplies would be brought aboard, and after about a week, the Dragon would undock and return to Earth.
They will return to Earth with a seventh crew member, Nicole Stott, who has been living at the space station for nearly three months.
After that, during this five year period China also plans to send a rover to the Moon, collect samples, and then return to Earth.
The astronauts aboard the Space Shuttle Discovery today used a computer simulator to practice landing in preparation for their planned return to Earth tomorrow.
The crew were welcomed by colleague Nicole Stott, who has spent nearly three months on the space station and will return to earth with Atlantis.
Day one, or "Sol 0" as the team refer to it, is when we start seeing the first images return to earth, 5MB in total.
Space shuttle Atlantis is scheduled to return to Earth on Friday.
After the two Russians and a Frenchman return to earth from Mir in August, Russia will not be able to send up a new crew unless it can raise some money.
Due to the schedule change announced Monday, the three Russian astronauts on board will return to Earth eight days later than originally planned, on September 16 instead of September 8, Krasnov said.
During that time, astronauts will load about 2, 300 pounds of cargo back on the ship, and then it will return to Earth on March 25, splashing down off the coast of Baja California.
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In 2010 they released more titles than they had in the previous two decades, including Doctor Who: The Adventure Games, a downloadable PC adventure, and Doctor Who: Return to Earth, for the Nintendo Wii.
ExoMars, as we call it on this side of the pond, envisages a satellite to study the Martian atmosphere, followed by a large robotic rover to drill beneath the surface and cache rocks for later return to Earth.
On May 28, 1959 a rhesus monkey named Able and a squirrel monkey named Miss Baker blasted off on an American Jupiter missile and became the first primates to successfully travel into space and return to Earth alive.
Cmdr Hadfield added that upon his return to Earth he noticed the weight of his tongue and lips and was remembering how to speak under the force of gravity, while his neck and back felt sore from having to support his head again.
After a two-day journey aboard the Soyuz capsule, the crew will dock with the space station, overlapping briefly with the current crew - station commander Mike Fossum of Nasa, Japan's Satoshi Furukawa and Russia's Sergei Volkov - who will then return to earth.
Kind of the final one is kind of when you do return to Earth and kick off all those relationships that, whether they were two weeks or six months later, have -- time has passed and you have to kind of rebuild them a little bit.
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