Changes in the solar system and planets.

by Guest6250  |  earlier

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Is our solar system same, or it has changed over the time, I want to know about the planet Pluto, what significance it has in the solar system.

 Tags: changes, Planets, Solar, System



  1. Tom Reeds

    The Solar System consists of the Sun and the other astronomical objects which revolve round these objects and attracted by the gravity. There are many planets which revolve round the sun and they are Mercury, Venus, Earth, Mars, Jupiters, Saturn, Neptune and Pluto. The two largest planets Jupiters and Saturn are composed of hydrogen and helium. The two outermost planet Uranus and Neptune are mostly comprised of ices such as water, ammonia and methane and are also known as ice giants. Six of the planets and three of the dwarf planets which are orbited by natural satellites are normally termed as moons. There are planetary rings of dust and other particles which encircle the outer planet.
    Pluto is the second largest dwarf planet in the solar system and is the tenth most massive body which is observed by the Sun. Pluto now s also member of the Kuiper belt. Pluto is composed of rock and ice and Is equal to the fifth of the mass of Earth’s moon. Pluto was discovered in 1930 and from that time till 2006, Pluto was considered as the ninth planet of the solar system. Pluto is identified by its scientific number 134340 and is a categorized in the list of minor planets. Many scientists say that Pluto should be categorized as a separate planet. There are two smaller moons which are Nix and Hydra and they were discovered in 2005.

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