Dark Matter First, Then a Galaxy

A new study from NASA’s Spitzer Space Telescope suggests that galaxies form within clumps of dark matter. This mysterious substance emits no light, but it does have mass, so it can pull on matter with its gravity. Astronomers believe there’s 5 times as much dark matter in the Universe as regular matter. This new Spitzer survey found that the amount of dark matter surrounding distant galaxies is surprisingly consistent.

Site – http://www.universetoday.com

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: