Space History Photo: Deep Space 1 in Cleanroom

Wednesday, August 1, 2012 - 09:30 in Astronomy & Space

Deep Space 1, the first spacecraft to use ion propulsion as its main engine, being assembled.

Read the whole article on Space.com

More from Space.com

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