Astrosphere for July 25, 2007

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Here's a photo of Jupiter with the Great Red Spot and Ganymede taken by Mike Salway.

And here are the stories.

First, take a moment and calculate your environmental footprint at Live Science.

Next, join the Bad Astronomer, and ask yourself,

what would Newton do?

According to Daily Galaxy, the US Department of Defense is building a creepy simulation of

the entire planet on computer

.

Starstryding Pamela Gay explains

hot rocks and greenhouse gases

.

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.