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Solar system (The 8 Planets (Terrestrial Solid surface,
fewer moons,…
Solar system
The 8 Planets
Terrestrial Solid surface,
fewer moons, relatively small,
rocky,no rings
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Asteroid belt
Remnents from the formation orbits around the terrestrial planets. Flat disc of of rocky objects(ranging from microscopic dust to dwarf planets like ceres)
Mercury
Closest to sun, 88 days long year, 3 month orbit
Jovian immense in size, icey surface,
multiple moons and support ring system
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Formation 4.5 billion years ago, A cloud of dust and gas was disturbed by an explosion of a nearby star. SuperNova, which exploded and squeezed the cloud and made it collapsed.
The broken pieces flying out due to the explosion were pulled back by the gravity. The spinning got slower, the center of the solar nebula got denser and hotter and got surrounded by a disc of gas and dust.(which was cooler at edges)
Heart of nebula was a ball of Hydrogen gas whose pressure and temperature raised quite much, particles began to fuse together and a powerful star came into being.
Infinite number of particles started to stick together and formed lumps which got bigger and bigger forming planets, and moons.
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