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Solar System - 1 Video Lecture | Crash Course for SSC CGL (English)

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1. What is the Solar System?
The Solar System refers to the collection of planets, moons, asteroids, comets, and other celestial objects that orbit around the Sun. It includes the eight planets in our system, namely Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, as well as their moons and other smaller objects.
2. How many planets are there in the Solar System?
There are eight planets in the Solar System. They are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto was previously considered the ninth planet but was reclassified as a "dwarf planet" by the International Astronomical Union in 2006.
3. What is the largest planet in the Solar System?
Jupiter is the largest planet in the Solar System. It is known for its immense size and is more than twice as massive as all the other planets combined. Jupiter is a gas giant and has a prominent banded appearance due to its thick atmosphere.
4. Do all planets in the Solar System have moons?
No, not all planets in the Solar System have moons. Some planets, like Mercury and Venus, have no moons at all. Earth has one moon, Mars has two moons, Jupiter has at least 79 moons, Saturn has at least 82 moons, Uranus has 27 moons, and Neptune has 14 moons.
5. What are comets and asteroids in the Solar System?
Comets and asteroids are small celestial objects found in the Solar System. Comets are made up of a nucleus made of ice, dust, and organic compounds. When a comet approaches the Sun, the heat causes the ice to vaporize, creating a glowing coma (atmosphere) and a tail. Asteroids, on the other hand, are rocky or metallic objects that orbit the Sun. They are remnants from the early formation of the Solar System and can vary in size from small rocks to large bodies several hundred kilometers in diameter.
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