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Essay On Galaxy

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Bright stars fill the Milky Way galaxy with beauty. Many solar systems revolve around the galaxy. The Milky Way is the galaxy we live in. Even though many people only know the Milky Way as the galaxy we live in, there is actually a lot more to it than you may think.

1. Our galaxy is so big, we haven't even gotten out of it. Do you realize how big the Milky Way really is? In school we learned the sun is gigantic, but it's tiny compared to the galaxy. This sun is 432,288 miles across and the galaxy is supposedly 6,213,711,922 miles wide. It takes 250,000,000 light years for the sun to orbit the galaxy. There are approximately 100 billion different solar systems in the Milky Way. Our dolor system is 25,000 light years away from the center of our galaxy. Our galaxy is so big we have only gone 19.5 kilometers from home. The farthest humans have gone is to the moon and back, which is only 238,900 miles away.

2. Our neighboring galaxy is Andromeda Andromeda is about 2.537 million light years away. You can see andromeda from the naked eye on Earth all year round because of its brightness. For us it look at it, it will look like a fuzzy star. But only with special equipment, you will be able to see the full beauty of Andromeda. Scientists believe that one day both of our galaxy will combine and create one big galaxy. We know …show more content…

A black hole is nothing but empty space that has a gravitational force that nothing can get past it, not even light. It is almost like a massive, vigorous vacuum making it the second to largest black hole astronomers have ever seen. Two million years ago, the black hole was 100 times more powerful than it is today. Scientist are confused why the black hole is weakening because it's suppose to be the opposite. Sagittarius A is about 26,000 light years away from Earth and it is 100 more massive than the

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Griffith Observatory Did you know that people have been building observatories since the 200s B.C.? An observatory, by definition, is a place or building equipped and used for making observations of astronomical, meteorological, or other natural phenomena, especially a place equipped with a powerful telescope for observing the planets and stars. Human beings have always been interested in the idea of discovering the unknown, and discovering space is no exception. But only through the last few hundreds of years have we really been able to make advances in astronomy due to large telescopes placed in the observatories. Some of the major observatories in the world are the Mauna Kea Observatory, the Arecibo Observatory, and the Yerkes Observatory.

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Caroline also cataloged nearly 3000 stars. That is an insane amount. She found 3000 new stars and then wrote them all down. On top of all of these things used today, she found 3 nebula. 3 is a lot of nebula.

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Some of the greatest mysteries known to mankind exist outside of our planet. These mysteries are also the most challenging to solve. The curiosity of what lies beyond on our planet existed long before the technology or resources were available to research these questions, so prehistoric humans would develop theories to explain what they could see, being the moon, stars, and planets. Globally, every country has spent an extreme amount of money, resources, and time to research and explore our universe to begin answering these questions. The United States and the National Aeronautics and Space Administration, commonly known as NASA, began in 1958 and since then has been responsible for the study and engineering behind all american space exploring

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