Astrosphere for June 15, 2007

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Welcome back to the astrosphere, here's what's happening in space... space... space.

Today's astrophoto from the Bad Astronomy/Universe Today forum is from

Dave Mitsky

.

It's NGC 7635, aka the Bubble Nebula

.

The Daily Galaxy has a look at Gliese 581c's big brother. Probably not a great place for life.

I covered the double supernova

here

. Phil Plait from

Bad Astronomy

has

a great description of it was well

.

SciGuy

has a story about

a successful test of a plasma rocket

.

Tom's Astronomy Blog

has a nice comparison between Antares and our Sun.

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.