I’m puzzled as to why the planets, stars and moons are all round (when) other large and small objects such as asteroids and meteorites are irregular shapes? — Lionel Young, age 74, Launceston, Tasmania This is a fantastic question Lionel, and a really good observation! When we look out at the Solar System, we see objects of all sizes — from tiny grains of dust to giant planets and the Sun. A common theme among those objects is the big ones are (more or less) round, while the small ones are irregular. But why? A variety of the Solar System’s…
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