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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.



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'If you think education is expensive, try ignorance.'

Derek Bok
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