Skip to main content

Comet Hartley 2 Makes Closest Pass by Earth in 24 Years

A comet passed

Comet Hartley 2

The close Earth pass

"It's unusual

Backyard stargazers

To view


By Oct. 22, the

Deep Impact's

Comet Hartley 2 is

The aim of Deep



  • Video

Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: