астероид (кіші планета, планетоид)

астероид (кіші планета, планетоид)

Also called planetoids or minor planets, the asteroids are tiny planets most of which orbit the Sun between Mars and Jupiter. The largest - and the first discovered - is Ceres, with a diameter of 1,003 km. It is estimated that there may altogether be no fewer than 40000. A few have very elliptical orbits and cross the orbits of several other (major) planets. One or two even have their own satellites (moons.)

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Loại từ: noun
Từ đồng nghĩa: atmosphere_₁₀
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Ngành nghề/Lĩnh vực: Astronomy
Category: General astronomy
Company: Caltech
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