Russian cosmonaut back after record 879 days in space

[PF_SpaceNews]

Russian cosmonaut back after record 879 days in space

Russian cosmonaut Gennady Padalka returned safely to Earth with two other astronauts from the International Space Station Saturday with the record for having spent the most time in space.

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[Greg Bernhardt]

3 years in space is a long time! Isn't there proof of muscle and bone loss?

 

[praveena]

Good question? Same question arises in my mind? Does they physically not affected?

 

[mfb]

879 days when summed over his 5 trips. Sure, muscles and bones get weaker, even with daily exercise in space. Vision suffers from space as well.

Valeri Polyakov has the record for the longest spaceflight, at 437 days. Sergei Avdeyev with 379 is second. Two more were a full year in space (all with MIR).
Currently there are two astronauts on the ISS for a 1-year stay. One of them has a twin brother on Earth, so scientists can compare them directly.

 

[Greg Bernhardt]

One of them has a twin brother on Earth, so scientists can compare them directly.

Wow that is very handy!