- The Star of our Solar system is the Sun.
- The are eight planets in our Solar System are spherical and have nearly circular orbits around the sun.
- The four planets closest to the sun are solid rock; the four outer planets are gas giants, which have their individual number of moons
- Asteriods are irregular lumps of rock, mostly orbit between Mars and Jupiter.
- Comets are small objects made of rocks and ice, witha elongated orbit around the sun.
- Dwarf planets, such as Pluto, are small lumps of rock that orbit around the sun.
- 99% of the Solar System's mass is the Sun.
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