Planets

Front

What are the inner planets?

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The inner planets are the four planets closest to the Sun: Mercury, Venus, Earth, and Mars. They are rocky and have solid surfaces.

Front

What are the outer planets?

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The outer planets are the four planets farthest from the Sun: Jupiter, Saturn, Uranus, and Neptune. They are gas giants and do not have solid surfaces.

Front

What is the asteroid belt?

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The asteroid belt is a region of space located between the orbits of Mars and Jupiter, filled with numerous small rocky bodies.

Front

Why is Venus known as Earth's twin?

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Venus is often called Earth's twin because they are similar in size, composition, and proximity to the Sun.

Front

What causes Venus to be the hottest planet?

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Venus is the hottest planet due to its thick atmosphere, which is composed mainly of carbon dioxide, trapping heat through the greenhouse effect.

Front

What is the greenhouse effect?

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The greenhouse effect is the process by which certain gases in a planet's atmosphere trap heat, preventing it from escaping into space.

Front

What is the smallest planet in our solar system?

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Mercury is the smallest planet in our solar system.

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What is a dwarf planet?

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A dwarf planet is a celestial body that orbits the Sun and is similar to a planet but does not clear its orbit of other debris. Pluto is an example.

Front

What is the largest planet in our solar system?

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Jupiter is the largest planet in our solar system.

Front

What is the composition of Jupiter?

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Jupiter is primarily composed of hydrogen and helium, with a small amount of other gases.