Astronauts in free fall. NASA astronauts training for the STS-44 mission in free fall conditions. The KC-135 zero-gravity aircraft flew in parabolas, which caused short sessions of zero-gravity. This allowed the astronauts to experience weightlessness before their mission. Photographed 28th May 1991. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NASA |
Bildgröße: | 4518 px × 4591 px |
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