Astrosphere for July 17, 2007

Today's wonderful astrophoto is from RickJ. That's two in two days Rick; nice going. It's a snapshot of M81, tearing apart another galaxy, Holmberg IX

Beverly Spicer at EarthSkyBlogs writes about a really cool World Clock

It's the myth that just won't die. I've already written about this every single year for 4 years now. But nope, the rumour's going around again. Mars as big as the moon!

Charles Daney gives the science explainer on

axions

; hypothetical particles that could explain dark matter.

Here's a timeline of

climate change events for the 21st century.

Apparently we've got a deadline. According to the New York Times, we've got to get

a colony established on Mars

within 46 years... or else.

Fraser Cain

Fraser Cain

Fraser Cain is the publisher of Universe Today, founding the website in March 1999. He's also the co-host of Astronomy Cast.