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Exploring the Universe: Galaxies, Stars, and Suns

Discover the wonders of galaxies, stars, and suns in the universe. Learn about the Big Bang, evolution of galaxies, and the importance of the Sun for life on Earth. Explore the vastness of the universe through fascinating facts and scientific estimates.

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Exploring the Universe: Galaxies, Stars, and Suns

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  1. Universe Fact File WebPages on slides

  2. What Is a Galaxy? A Galaxy is a bound of gas, dust, planets moons and Suns. Galaxies and Earth ( our Galaxy, the Milky Way) were all made from a miracle called the Big Bang. The Big Bang made spiral or oval Galaxies which over time changed in shape and size. Then planets and stars evolved inside them. http://en.wikipedia.org/wiki/Galaxy

  3. How Many Galaxies Are There? Scientists estimate there areapproximately 200 too 300 billion stars in the Milky Way but a German telescope computer estimated 500 billion+ stars. Scientists recommend there is a galaxy out there for every star so any of those stars could be a galaxy. http://www.universetoday.com/30305/how-many-galaxies-in-the-universe/

  4. How Many Suns are There? There are a unknown amount of suns in the Universe because we’re still exploring but, there are more than 1000 suns http://wiki.answers.com/Q/How_many_suns_are_there_in_the_universe

  5. Why do We Have Suns? • Without the Sun we would freeze. It keeps us warm, lets plants exists, it provides gravity for the earth to orbit the Earth. Without the Sun Earth would Die out. http://answers.yahoo.com/question/index?qid=20090203203735AAGxO9m

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