Photos of the day

February 21, 2014

Here are two that stood out to me:

A giant shock wave is seen as a red arc created by a speeding star known as Kappa Cassiopeiae, in this infrared image from NASA’s Spitzer Space Telescope. Bow shocks form where the magnetic fields and wind of particles flowing off a star collide with the diffuse, and usually invisible, gas and dust that fill the space between stars. (Reuters/NASA/JPL-Caltech)

Ice cover on the Great Lakes is seen in a NASA image taken by the GOES-East satellite. (Reuters/NASA)

Enjoy your weekend! I’ll be doing my best to get over a cold, but will be back Monday with some meatier posts.

Matt McFarland is the editor of Innovations. He's always looking for the next big thing. You can find him on Twitter and Facebook.
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