The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids.
Correct answer: D. Jupiter
- A. Mars
- B. Saturn
- C. Uranus
- D. Jupiter
Explanation
Jupiter’s enormous mass and strong gravity can attract or deflect some comets and asteroids, leading to its popular description as Earth’s bodyguard. This is an informal description, not complete protection from impacts.
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Astronomy covers the structure and motions of the solar system, planets, satellites, comets, asteroids and meteoroids, together with gravity, eclipses, seasons and phases of the Moon. It also introduces stars, galaxies, nebulae, black holes, space telescopes and satellites, while distinguishing rotation from revolution and meteors from meteorites.
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