Artist concept of planet Earth's last happy day before a strike by an asteroid. Credit: NASA

Does A Rogue Asteroid Threaten Earth Next Month? Nope

The doomsday crowd’s up to to their usual shenanigans again. Maybe some of you have seen predictions on websites about an asteroid expected to strike Earth between September 15 and 28. According to the rumor, the impact will occur near Puerto Rico and wreak catastrophic destruction not only to the island but also the Atlantic and Gulf…
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A Moon Rock Lands In Duluth

A priceless moon rock lies locked in a glowing pyramid of lucite a few blocks from Lake Superior in Duluth today. NASA’s “Journey to Tomorrow” traveling exhibit pulled into town a few days ago, and among the displays is a palm-sized lunar rock collected by Apollo 17 astronaut Gene Cernan sometime on December 13,1972. The 152 gram (1/3 lb.) concrete-gray…
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Mars Gets A New Crater, Smiles For The Camera

Close your eyes. OK, now open them again. In a cosmic blink of the eye, this brand new crater appeared on the Martian plain called Elysium. It formed sometime between February 2012 and June 2014 as revealed by NASA’s Mars Reconnaissance Orbiter (MRO). A previous image showed only ancient cratered terrain. The impact exposed removed the ubiquitous…
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Happy Nights Adrift On The Moon’s Sea Of Showers

If you’re looking for a great little place to point a small telescope the next few nights, let me suggest Mare Imbrium, the largest of the lunar “seas”. That’s Latin for Sea of Showers or Sea or Rains. Lovely name. The last time it rained there was never. All the Moon’s seas are enormous basins…
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Found! Fresh Moon Crater From LADEE Spacecraft Impact

I’d love to see that ad on Craigslist. Using before and after photos taken by NASA’s Lunar Reconnaissance Orbiter Camera (LROC), Mark Robinson, LROC principal investigator, discovered a tiny crater within one-fifth of a mile (300-m) of the predicted impact zone. And I do mean tiny. The impact of the refrigerator-sized spacecraft at the relatively leisurely…
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