Space History Photo: Ion Engine Test Firing

Thursday, May 10, 2012 - 08:30 in Astronomy & Space

Charged ions being emitted from this xenon ion engine give off a faint blue glow.

Read the whole article on Space.com

More from Space.com

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