Galaxies
By: Michael Anderson
What is a Galaxy
What is a Galaxy Made of?
Stars
This is a fixed luminous point in the sky, and it illuminates the universe. It gives it light and color. There are trillions of stars in one galaxy alone.
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"Star." Wikipedia. Wikimedia Foundation, n.d. Web. 19 May 2016
Cosmic Dust
This is dust particles that are very small. The are considered star dust and are very tightly packed together. It is dust that condensed as the the stars left.
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"Cosmic Dust –“A Clue to Origin of Earth’s Oxygen and Water?”." Vyagers. N.p., 14 May 2013. Web. 19 May 2016.
Dark Matter
Non-luminous material that is postulated in space. It is a very unknown matter, and scientists have been trying to find it out for a long time.
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"Dark Matter." MIT Technology Review. Ed. ArXiv. N.p., n.d. Web.
How Galaxies Work
How Big is a Galaxy?
Can Galaxies Collide?
Is There a Possibility of Galaxies Colliding?
Are the Galaxies Moving?
Galaxies are Moving.
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"Why Is the Universe Expanding?" Salaam. N.p., n.d. Web. 19 May 2016.
Conclusion
Bibliography
- "Galaxies: Collisions." Space.com. N.p., n.d. Web. 17 May 2016.
- "How Galaxies Work." HowStuffWorks. HowStuffWorks.com, n.d. Web. 17 May 2016.
- "Galaxies - NASA Science." Galaxies - NASA Science. N.p., n.d. Web. 17 May 2016.