What are planets? How many planets are there?

Planets are large celestial bodies that orbit a star.

There are eight planets in our Solar System: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

Mercury is the smallest planet and is closest to the Sun.

Venus is the second closest planet to the Sun and is known for its thick, dense atmosphere.

Earth is the only planet in our Solar System known to have life.

Mars is the fourth planet from the Sun and is known as the Red Planet.

Jupiter is the fifth planet from the Sun and is the largest in our Solar System.

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