Photo: Dark Matter Ring Detected by Hubble

Email to a Friend << Back to Full Story


This composite image taken by the Hubble Space Telescope shows a ghostly "ring" of dark matter in the galaxy cluster Cl 0024+17. Astronomers say that the dark ring was produced from a collision between two gigantic clusters and is the best evidence yet for the existence of dark matter.

Image courtesy NASA, ESA, M.J. Jee and H. Ford (Johns Hopkins University)

MOST VIEWED NEWS

PICTURES: 2012 Doomsday Myths Debunked

2012: Six End-of-the-World Myths Debunked

APOCALYPSE PICTURES: 10 Failed Doomsday Prophecies
NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS

ADVERTISEMENT

NATIONAL GEOGRAPHIC'S PHOTO OF THE DAY

Today's National Geographic Photo of the Day

• Today's Photo

• Download as Wallpaper

50 Drives of a Lifetime

National Geographic Traveler has scoured the globe for the world's most beautiful, interesting, and off-beat road trips. Dive in to get drive directions, quizzes, photos, and more.