10 THINGS November 1

Poster Time

Art meets science in these free posters inspired by NASA missions.


Impressive Rays

Mercury's Hokusai crater, as seen by NASA's MESSENGER spacecraft. Hokusai features an extensive system of rays made of material ejected when the impact crater formed. The rays extend more than 600 miles (about 1,000 kilometers).

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What's Up: November Skywatching Tips from NASA


Highlights of the November sky include how to watch as Mercury transits the Sun on Nov. 11.
3:05 video