MESSENGER completes its 3,000th orbit of Mercury, sets mark for closest approach

Monday, April 21, 2014 - 17:30 in Astronomy & Space

(Phys.org) —On April 20, MESSENGER completed its 3,000th orbit of Mercury and moved closer to the planet than any spacecraft has been before, dropping to an altitude of 199 kilometers (123.7 miles) above the planet's surface.

Read the whole article on Physorg

More from Physorg

Learn more about

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net