Guide to Space, Solar System
12 Jul , 2017 by Matt Williams
Why are the planets round? For that matter, why are all the big objects in the Universe this shape? The answer has to do with how gravity works and how star systems are formed.
Astronomy, Guide to Space
1 Jun , 2016 by Matt Williams
Billions of year ago, the Sun, the planets, and all other objects in the Solar System began as a giant, nebulous cloud of gas and dust particles.
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