Photo: Mars's Liquid Center Cooling in Unusual Manner, Study Suggests



Mars' core, as depicted in the artist's rendering above, is probably liquid, according to a new study.



The research team used a device called a high-pressure anvil to squeeze iron, nickel, and sulfur—common elements in the Martian core—to estimate the core's consistency and predict how it will solidify.


Image courtesy NASA


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.