How big is our galaxy? Just how small is an atom? I’m often awestruck by the relative sizes of things in the Universe. Try exploring the relative Scale of the Universe in this amazing animation!

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SSERVI Science Teams

Inspiration Room

NLSI Inspiration Room

Did you know?

The moon's highest mountains are 5,000 meters (16,000 ft).

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Upcoming Events

  1. Exploration Science Forum 2016

    July 20 @ 8:00 am PDT - July 22 @ 5:00 pm PDT
  2. Exoplanet Biosignatures Workshop Without Walls A NExSS and Astrobiology Program Joint Workshop

    July 27 - July 29
  3. COSPAR 2016

    July 30 @ 8:00 am PDT - August 7 @ 5:00 pm PDT