the milky way by: kelsey perkins & jesse price. milky way facts the galaxy in which holds our...
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The Milky Way
By:
Kelsey Perkins &
Jesse Price
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Milky Way Facts
• The Galaxy in which holds our Solar System
• Contains over 200 billion stars
• The mass is roughly between 750 billion and one trillion solar masses
• It’s a Barred Spiral Galaxy
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What is a Barred Spiral Galaxy?
• A Barred Spiral Galaxy is a form of spiral galaxy that has a central bar shaped structure made of stars
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How old is the Milky Way
• The Milky Way is approximately 13.6 billion years old
• And thought to be formed about the same time as the big bang occurred.
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How did the Milky Way get it’s name?
• Nobody is sure how the Milky Way got its strange name.
• But we know why it did got its name, the Milky Way is a faint white milky streak across the sky.
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How long does it take to orbit around the Milky Way?
• The solar system completely orbits the Milky Way every 225,000,000 years
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Is there a ring around the Milky Way?
• Yes! • Scientist have done
research and have found that there is a ring of stars that have the same orbit patterns and are moving at the same rate around the Milky Way.
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How the Milky Way Formed
• Evidence suggests that our galaxy, the Milky Way, came into being as a consequence of the collapse of a vast gas cloud.
• The birth of new stars also helped in shaping the Milky Way.
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Is there a Black Hole in the center of the Milky Way?
• Most scientist believe that yes there is a possibility that there could be a black hole in the center of the Milky Way.
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Will Andromeda eventually crash into the Milky Way?
• Scientist have determined that in roughly three billion years Andromeda will crash into us
• The colliding of the two galaxy's would most likely result in the combining of the two.
• And could become an elliptical galaxy.
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What will become of the Milky Way?
• In the future most likely billions of years from now the galaxy will certainly seize to exist.
• This will happen when all the uranium that was made in the early years of the galaxy will burn up.
• Which would result in no more new stars will be born and all the old ones will die.
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The Milky Way Galaxy now
• Where we live now is absolutly different from when it all began.
• It is no longer just a mass of helium and hydrogen gas
• And has been formed into what is now a barred spiral galaxy
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References
• Davis, Dan. “Milky Way”. 21 Jul. 1994. History of the Universe. March 2008. http://www.historyoftheuniverse.com/milky2.html
• Beach, Scott “The Fate Of The Milky Way.” 28 Feb. 2003 The Fate Of The Milky Way. March 2008. http://www.geocities.com/scott956282743/uranium.htm
• Malik, Tariq. “Crash Course: Simulating the Fate of our Milky Way.” 07 May 2001. Science Tuesday. http://www.space.com/scienceastronomy/astronomy/galaxy_collides_020507-1.html