What is dark matter?
Dark matter is the term astronomers use for the matter that they detect in the universe which cannot be seen. What I mean by this is that although when you look through a telescope nothing appears to be there, the way that the visible matter moves indicates that there must be more mass present. It is currently thought that about 10% of the matter in the universe is visible, the rest is something we don't understand.
Get More 'Curious?' with Our New PODCAST:
- Podcast? Subscribe? Tell me about the Ask an Astronomer Podcast
- Subscribe to our Podcast | Listen to our current Episode
- Cool! But I can't now. Send me a quick reminder now for later.
- Why doesn't dark matter fall into a black hole?
- Could photons be dark matter?
- How far does a galaxy extend?
- What makes up most of the Universe?
- Could a different theory of gravity explain the dark matter mystery?
- Are there any dark stars or dark galaxies made of dark matter?
- What's the difference between dark matter and dark energy?
- How can we compare dark matter and dark energy?
- What is Hot Dark Matter theory?
- Could neutrinos be dark matter?
- Could the Universe's dark matter be made up of black holes?
How to ask a question:
If you have a follow-up question concerning the above subject, submit it here. If you have a question about another area of astronomy, find the topic you're interested in from the archive on our site menu, or go here for help.Table 'curious.Referrers' doesn't existTable 'curious.Referrers' doesn't exist
This page has been accessed 31463 times since October 29, 2002.
Last modified: June 4, 2003 10:03:34 PM
Ask an Astronomer is hosted by the Astronomy Department at Cornell University and is produced with PHP and MySQL.
Warning: Your browser is misbehaving! This page might look ugly. (Details)