Friday, September 12, 2014

Solar System


See at the eastern sky in the morning, you will see the beautiful sun rise, and also look at the sky in the evening, you will see the beautiful light of the moon and millions of stars scattered in the sky night , and occasionally you will see a quick flash of light and immediately go away, it call a meteor or shooting star ,sometimes you will also see a glowing object that called the planet.

  Sun is the star at the center of the our solar system,sun is called the star because the sun could make spout the own light,it is almost   perfectly spherical and contains of hot plasma interwoven with magnetic fields, sun has the diameter size about 1,392,684 kilometers or 865,374 mil,it size also same around 109 times    of earth,sun has the mass size is about 330,000 times of mass earth,the sun contains of hydrogen and helium and also consists of heavier elements such as oxygen,carbon dioxide,neon,and iron. The sun formed about 4,567 billions years ago from the gravitational collapse of a region within a large molecular cloud.

  Other of sun ,solar system also consist of planet,any 8 planet in our solar system such as mercury,venus,earth,mars,Jupiter,Saturn, Uranus,and neptune. Earth also known as the world,earth is the third planet from the sun,earth is the densest planet in the solar system,earth is the largest of the solar system's four terrestrial planets,and the only celestial body known to accommodate life. It is home to an untold number of species including billions of humans who depend upon its biosphere and minerals. Mean radius of earth is 6371,0 km,and equatorial radius of earth is 6378,1 kilometers,and also have the polar radius about 6356,8 kilometers.

  In our solar system also have the satellites, earth has the one natural satellite, the natural satellite of earth is moon,moon will only be visible at night from earth,moon can't emit it's own light but only reflects of light from the sun. Saturn is the most beautiful planet because it has a ring around it.

No comments:

Post a Comment