The Solar System

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What is the Solar System?

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The Solar System is a collection of celestial bodies, including the Sun, planets, moons, asteroids, comets, and meteoroids, that are bound by gravity.

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What is the diameter of Earth?

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12,742 km

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What are the terrestrial planets?

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The terrestrial planets are Mercury, Venus, Earth, and Mars, characterized by rocky surfaces.

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What are the gas giants?

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The gas giants are Jupiter, Saturn, Uranus, and Neptune, known for their thick atmospheres and lack of solid surfaces.

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What is the Heliocentric model?

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The Heliocentric model is the astronomical model in which the Earth and other planets revolve around the Sun.

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What is the Geocentric model?

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The Geocentric model is the outdated astronomical model that places the Earth at the center of the universe.

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How does distance from the Sun affect temperature?

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As a planet's distance from the Sun increases, its temperature generally decreases.

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What is gravitational pull?

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Gravitational pull is the force of attraction between two masses, such as a planet and the Sun.

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What is a comet?

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A comet is a small celestial body made of ice, dust, and rocky material that, when close to the Sun, develops a glowing coma and tail.

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What is an asteroid?

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An asteroid is a small rocky body that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter.