Photo: Red Giant Sun May Not Destroy Earth



The planet V391 Pegasi b has been pushed out to twice its original orbit as its host star reaches the maximum expansion of its red giant phase, as seen in this artist's conception.

The planet is the first known inner body to survive its star becoming a red giant, scientists say—offering hope that Earth might not be destroyed when the sun expands in billions of years.

Image by Mark Garlick © HELAS


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

50 Drives of a Lifetime

Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. No wires or syncing. Download Stitcher free today.