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Dark Matter Facts Baryonic Matter is only 20% of the Universe 80% is Dark Matter Dark Matter doesn't interact with light or ordinary matter very frequently. - ppt download
How Dark Matter Works | HowStuffWorks
What is dark matter? | Space
Definition > Dark matter
Dark matter - Wikipedia
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Dark energy - Wikipedia
Ronin matter—the simple answer to Dark Matter – The Stocky Fox
Dark Matter and Dark Energy: The Mystery Explained (Infographic) | Space
EarthSky | What is dark matter?
THE UNSEEN EFFECT OF DARK MATTER Max Ehrhardt Physics 335 Final Presentation 12/1/ ppt download
What Is Dark Matter? An Astrophysicist Explains | Edge Of Knowledge | Ars Technica - YouTube
Scientists Find the 'Missing' Dark Matter from the Early Universe | Live Science
Dark Matter | COSMOS
Four things you might not know about dark matter | symmetry magazine
