Kristen Bobst

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​Could space junk cause a war?

​Is Earth actually two planets?

Why we need a planetary protection officer

Why NASA's Day of Remembrance still matters

16 great gifts made from meteorites

What you need to know about Comet Catalina

Northern lights may make New Year's Eve show

Meet the nose of NASA

Yes, Virginia, there will be a full moon for Christmas

21 great books about space

6 tools to help you spot a satellite

How to understand zodiac signs through the stars

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