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.