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Astronomy Essay

545 words - 3 pages

ASTRONOMY
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The earth solar system was form by the disturbed, or maybe by an explosion of close by star called the supernova. The explosion or the disturbed of stars causes wave in space which caused the squeezing of gas and dust clouds. The squeezing of the clouds stared to collapse, as gravity act force dust and gas clouds together which forms the solar nebula. Soon the dust and gas become hotter and dense in the middle; later a disc of gas and dust was surrounding the explosion in the middle. As the disc became thinner, dust particles stared sticking together form clumps. Most clumps was big, other were small. Those began forming planets and moons. Near the middle also were Earth form, ...view middle of the document...

But when Earth is far from the sun on its orbit it’s about 95,555,000 miles away. But the average distance from the sun to the Earth is about 92,955,807 miles away. Since the Earth’s orbit is not circle but it’s elliptical it affects us on how much of solar energy we will be getting.

The planet we live on is called Earth; Earth is the third planet from the sun. Plants and animals can be found anywhere on Earth because the Earth is third planet from the sun, which the sun give us the right heat for the plants and animals to live on. If the Earth was too far away from the sun every that live on earth would die because earth would be way to cold! Earth surface is covered of 72% body of water. The Earth was formed in a thing call the Milky Way. The Milky Way is one of billions of galaxies that name to exist in our universe. The Milky Way is like a spinning disc with four arms. The Milky Way’s arm is where most of the gases and dust are manly at, and that’s where the stars are born. The galaxy arms move 250 kilometers around the bulging middle. In the middle is containing a super massive black hole that is bigger than the sun and can suck up all the stars.

The Milky Way is the second largest galaxies in 17other galaxy. Our cluster is more clusters forming a structure of a honeycomb, which filaments around large bubbles. There are thought that it’s about 100 billion galaxies in the universe. The galaxy place in the universe is small and not that importance. The universe is fascinating because it holds intelligent life that over see the universe. The Milky Way is filled with a sizeable amount of stars, which is just one part of the galaxy arm.

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