Why do we have 4 ‘rock’ planets in a row then 4 ‘gas’ planets in a row?

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If we discount dwarf planets after the asteroid belt all planets are gas, is there a specific reason or is it just coincidence

In: 2019

16 Answers

Anonymous 0 Comments

The primordial Solar system was basically acting like a giant centrifuge. Light stuff got expelled outwards. Gases are much lighter than rock, metals and minerals.

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