Sciam - cover

From the March 2003 Scientific American Magazine | 4 comments

The Search for Dark Matter ( Preview )

Dark matter is usually thought of as something "out there." But we will never truly understand it unless we can bring it down to earth

By David B. Cline   

 
e-mail print comment

More from the Magazine

The universe around us is not what it appears to be. The stars make up less

than 1 percent of its mass; all the loose gas and other forms of ordinary matter, less than 5 percent. The motions of this visible material reveal that it is mere flotsam on an unseen sea of unknown material. We know little about that sea. The terms we use to describe its components, "dark matter" and "dark energy," serve mainly as expressions of our ignorance.

Graphic - Get the Rest of the Article
Graphic - Subscribe     Graphic - Buy this Issue
Already a Digital subscriber? Sign-in Now
If your institution has site license access, enter here.

Read Comments (4) | Post a comment


Share
Propeller    Digg!  Reddit delicious  Fark 
Slashdot    RT @sciam The Search for Dark MatterTwitter Review it on NewsTrust 
sharebar end

You Might Also Like


Discuss This Article


Click here to submit your comment.

VIEW:

2,573 characters remaining
 
  Email me when someone responds to this discussion.
 

risk free issuefree gift
Sciam - cover Email:
Name:
Address:
Address 2:
City:
State:  
spacer

Subscription Center



World Changing Ideas



Editor's Pick


Newsletter

Space Newsletter

Get weekly coverage delivered to your inbox


 Podcasts

  • 60-Second Science     RSS  · iTunes Botoxed Face Impairs Bad Feelings
    click to enable

    Download

  • 60-Second Science     RSS  · iTunes Distracted Customers' Wait Times Fly
    click to enable

    Download





ADVERTISEMENT
 
 


Also on Scientific American


© 2010 Scientific American, a division of Nature America, Inc. All Rights Reserved.
ADVERTISEMENT