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Solar System
Dec 14, 2017

Did you know the Moon is slowly moving away from Earth and that the Moon has water? Jim Green is joined by lunar expert Sarah Noble to discuss how...
Dec 13, 2017

Did you ever get caught in a meteor shower? If yes, then every minute or so the sky sparked with fleeting flashes of light. This was the...
Nov 22, 2017

Nothing like it has ever been seen before. The unusual space rock 'Oumuamua is so intriguing mainly because it is the first asteroid ever...
Dec 12, 2017

What's up in the sky this winter? The featured graphic gives a few highlights for Earth's northern hemisphere. Viewed as a clock face...
Earth
Nov 21, 2017

By monitoring the color of reflected light via satellite, scientists can determine how successfully plant life is growing.
Earth
Dec 10, 2017

A pioneering system is using satellites to expedite wildfire recovery—while the fires still rage It was born from a lightning bolt. In less than a...
Nov 20, 2017

Yes, but have you ever taken a selfie on Mars? The Curiosity rover on Mars has. This selfie was compiled from many smaller images -- which...
Dec 10, 2017

Raise your arms if you see an aurora. With those instructions, two nights went by with, well, clouds -- mostly. On the third night of...
Solar System
Nov 20, 2017

Astronomers recently scrambled to observe an intriguing asteroid that zipped through the solar system on a steep trajectory from interstellar space—...
Dec 9, 2017

This composition in stardust covers over 8 degrees on the northern sky. The mosaicked field of view is west of the familiar Pleiades star...

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