Astronomy is the scientific study of stars and everything in the Universe. The Universe is so unimaginably vast, and the Solar System is a small component of it. Yet it is where humans reside particularly on the Planet of Earth. Study of Astronomy should start with the closest to us- our Solar System, which placed the Sun at the center and planets and objects revolving around it.

Located at the center is our star, the Sun. It is a g main-sequence star. It makes up about 99.8% of the mass of the whole solar system.
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The Solar System consists of 8 planets. 4 terrestial planets: Mercury, Venus, Earth, and Mars. 4 giant planets: Jupiter, Saturn, Uranus, and Neptune. Additionally, the Solar System is home to 5 dwarf planets. Although they are not considered planets.
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The Solar System has countless of Interplanetary debris like asteroids and comets. Comets are icy and asteroids are rocky.
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