NASA: National Aeronautics and Space Administration


Ask an Astrobiologist
"When you are in the space station, and there is no gravity, how do the astronaunts sleep, without floating around in their beds? "
  1. Islands of Life Across Space and Time


    Researchers supported by the NASA Astrobiology Institute have provided the first quantitative evaluation of planetary habitability. The study shows how the habitability of Earth has changed in the past, and will aid astrobiologists in evaluating the habitability of other planets in our solar system and beyond.

    Source: [astrobio.net]

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