Search Results | galaxy cluster
Your search for "galaxy cluster" returned 38 results
Just How Many Galaxies Are in the Universe?
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Galaxies are large systems of stars, gas, dust and dark matter that orbits a center and is bound by gravity. Learn about the characteristics of galaxies.
Types of Galaxies: Why Galaxies Come in Different Shapes
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Galaxies are complex systems held together by gravity, but the shapes of different types of galaxies are a result of gravity along with rotation speed and time.
How Dark Matter Works
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For decades, stargazing scientists have been facing their own darkness on the edge of town as they try to explain one of astronomy's greatest mysteries: dark matter. Have they been successful, or will the universe carry its secrets for a long time?
The Milky Way: Understanding Our Place in the Galaxy
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A look at the night sky at any time of year will reveal a faint band of light stretching across the sky -- our solar system's home, the Milky Way. How much do we really know about it?
Only a Black Hole Could Make a Black Hole That Massive!
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Black holes may merge to produce second-generation black holes. Learn more about black holes at HowStuffWorks.
Sonification: Listening to the Haunting Sounds of the Universe
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Sonification is the process of taking data and turning it into sound. When it come to the universe we live in, scientists are finding that the sounds are definitely otherwordly and very beautiful.
How Tessellations Work
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Mathematics achieves the sublime. Sometimes, as with tessellations, it rises to art. In their simplest form, tessellations consist of a single shape that repeats over a two-dimensional plane without any gaps. Why was M.C. Escher so fixated on them?
Is there a hole in the universe?
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A hole in the universe was recently discovered by scientists at the University of Minnesota in 2007. Read about the discovery of a hole in the universe.
How the Big Crunch Theory Works
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In the big crunch theory, the universe will stop expanding and start shrinking. Read about the big crunch and what it means for you and the universe.
Where Is the Hubble Telescope and How Does It Work?
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The Hubble Space Telescope is one of the most amazing machines in orbit right now. Learn more about the Hubble Space Telescope and how it works.