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Kamikaze comet loses its head

Like coins, most comet have both heads and tails. Occasionally, during a close passage of the Sun, a comet's head will be greatly diminished yet still retain a classic cometary outline. Rarely are we left ...

dateMar 03, 2015 in Space Exploration
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The difference between CMEs and solar flares

This is a question we are often asked: what is the difference between a coronal mass ejection (CME) and a solar flare? We discussed it in a recent astrophoto post, but today NASA put out a video with amazing graphics that explain ...

dateSep 23, 2014 in Space Exploration
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Sun unleashes first X-class flare of 2014

The sun emitted a significant solar flare peaking at 1:32 p.m. EST on Jan.7, 2014. This is the first significant flare of 2014, and follows on the heels of mid-level flare earlier in the day. Each flare was ...

dateJan 07, 2014 in Space Exploration
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Why plants don't get sunburn

Plants rely on sunlight to make their food, but they also need protection from its harmful rays, just like humans do. Recently, scientists discovered a group of molecules in plants that shields them from ...

dateOct 29, 2014 in Biochemistry
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Coronal mass ejections at Mars

Looking across the Mars landscape presents a bleak image: a barren, dry rocky view as far as the eye can see. But scientists think the vista might once have been quite different. It may have teemed with water ...

dateSep 24, 2014 in Space Exploration
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