Physics and Astronomy News Archive: February 2012

Image: New Views Show Old NASA Mars Landers

New Views Show Old NASA Mars Landers

Source: NASA/JPL   Posted: 2/9/12

The NASA's Mars Reconnaissance Orbiter recordes a scene on Jan. 29, 2012, that includes the first color image from orbit showing the three-petal lander of NASA's Mars Exploration Rover Spirit mission.
Image: Explained: Sigma

Explained: Sigma

Source: MIT   Posted: 2/9/12

How do you know when a new finding is significant? The sigma value can tell you — but watch out for dead fish.