Miniplanet sports megapeak | Science News

MISSION CRITICAL

Support credible science journalism.

Subscribe to Science News today.


News

Miniplanet sports megapeak

Solar system’s second tallest mountain hides out on Vesta

By
3:49pm, October 4, 2011

NANTES, France — Vesta might be a planetary runt, but it holds bragging rights to one of the solar system’s highest peaks.

Rising 20 kilometers from the floor of an enormous impact basin in the asteroid’s south pole, Vesta’s massif is taller than Hawaii’s Mauna Kea — Earth’s highest mountain when measured from the bottom of the ocean. Vesta’s peak is still smaller than the solar system’s reigning giant, a Martian volcano called Olympus Mons. But then, Vesta is only 530 kilometers in diameter to Mars’ 6,800 kilometers. Scientists haven’t named the protrusion yet, b

This article is available only to subscribing members. Join the Society today or Log in.

Get Science News headlines by e-mail.

More from Science News

From the Nature Index Paid Content