Our galaxy consists of Sun and eight planets. Eight planets, such as Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune orbit the sun. At the beginning, there were nine planets. The last planet was Pluto. But, in 2006, Pluto was reclassified from a planet to a dwarf planet.
The sun is central of our galaxy, Bima Sakti. The biggest planet that rounds the sun is Jupiter. The diameter of planet is 88.900 in miles. The distance from sun is 483,4 in millions of miles. Jupiter is fifth planet that has several rings and 63 moons. The composition of atmosphere consists of hydrogen and helium.
Like other planets, people explored and discovered Jupiter. There were several expeditions to Jupiter. Pioneers 10 and 11 sent back photographs in 1975 and even Voyagers 1 and 2 sent back moving pictures in 1979. In addition, another exploration sent Galileo spacecraft at Jupiter’s surface in 1989 to discover the information, such as: temperature, pressure, and chemical composition.
In conclusion, Jupiter is interesting planet with its several characteristic. We have to study more and do research about Jupiter. Perhaps we can find possibility of human life.
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