Astronomy & Space - Space Exploration news

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 ...

Sep 23, 2014
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PanSTARRS K1, the comet that keeps going

Thank you K1 PanSTARRS for hanging in there! Some comets crumble and fade away. Others linger a few months and move on. But after looping across the night sky for more than a year, this one is nowhere near ...

Sep 30, 2014
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Who are the two new arrivals at Mars?

As I write this, a team of engineers and scientists will be nervously watching the clock (in fact they are probably in their beds not sleeping). They are waiting for the time when the Mars Orbiter Mission ...

Sep 24, 2014
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