Year of the Comet
Comet C/2011 L4 (PANSTARRS)

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Astronomy News
E-mail Article to a FriendPrint ArticleBookmark and Share

This week in pictures: October 13–19, 2012

In the past seven days, scientists found a planet in the star system nearest to Earth, analysis from a martian rock touched by Curiosity showed that it resembles some unusual rocks from Earth's interior, astronomers were able to study a dark matter filament in 3-D for the first time, and more.

Published: October 19, 2012
October 13–19, 2012
View ThumbnailsView Full Screen
1 / 12PreviousNext
Illustration by ESO/L. Calçada/N. Risinger
Planet found in nearest star system to Earth
The observations extended over more than four years using the HARPS instrument and have revealed a tiny signal from a planet orbiting Alpha Centauri B every 3.2 days. Learn more »
 
Find us on FacebookFind us on Twitter
User Comments
Be the first to leave your comment below!

Only registered members of Astronomy.com are allowed to comment on this article. Registration is FREE and only takes a couple minutes.

Register Today!
SEARCH SITE
Subscriber Only Access
Subscriber Only Content
Look for this icon. This denotes premium subscriber content. Learn more »
Become a Member of Astronomy.com
Register today for access to more valuable resource information.
Interact in our forums, comment on articles, receive our newsletter and much more!
Not a member?
Subscriber and Member Login
Password
Remember me