DOES dark matter really exist? Scientists have found more proof that it does.
Here’s an excerpt from the Agence France-Presse story:
Astronomers using the Hubble Space Telescope spotted a ring of dark matter in a galaxy cluster some five billion light-years away from Earth, which measured some 2.6 million light-years across.
“This is the first time we have detected dark matter as having a unique structure that is different from the gas and galaxies in the cluster,” said James Jee, a member of NASA’s team of astronomers.
Astronomers have long suspected there must be some substance holding galaxy clusters together, otherwise galaxies would only have the gravity from their visible stars, which would not be enough to keep them from flying apart.
May 16th, 2007 at 9:17 pm
[...] Inside Science: What’s the (dark) matter? [...]
May 18th, 2007 at 4:12 pm
This does not really explain what dark matter is…please fill in. Thanks