Space
The Sun holds about 99.8% of all the mass in our solar system. Every planet, moon, asteroid and comet put together shares roughly the last 0.2%.
ILLUSTRATION · AIThe Sun accounts for about 99.8% of the mass of our solar system, NASA says.
As the solar nebula collapsed under its own gravity, it spun faster and flattened into a disk. Most of its material was pulled toward the center to form the Sun. The planets, moons, asteroids and comets formed from much of what remained.
SourcesEvery claim traced
- Tier 2 · Secondary
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