The Solar System Essay Research Paper Our — страница 4

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amounts of frozen carbon monoxide and methane. Pluto has one moon named Charon and is about 750 miles across. Pluto’s orbit is much more elliptic than those of the other planets and is titled 17 degrees from the ecliptic plane. When it is at perihelion, Pluto is nearer the sun than Neptune. Planets and moons are not the only part of the solar system. Today there is still many parts of the solar system we are unaware of or even unsure of. Some astronomers theorize about a planet X, or even a sister star to the Sun. There are many disturbances in space and a planet X or a sister stars could possible answer the questions astronomers have about the solar system and the planets around us.