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Fraser
2017-Jul-12, 05:11 PM
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.
The post Why Are Planets Round? (https://www.universetoday.com/75835/why-are-planets-round/) appeared first on Universe Today (https://www.universetoday.com).


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