Massive Crater Discovered Under Greenland Ice

There are 190 confirmed impact structures on the Earth. Er, make that 191. An international team of researchers, including a NASA glaciologist, has discovered a new crater hiding beneath more than a half-mile of ice in northwest Greenland. The crater — the first of any size found under the Greenland ice sheet — is one…
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See Venus And Spica’s Seemingly Eternal Conjunction

If you head outside when the dawn light just begins to swell and look low in the eastern sky you’ll immediately notice a pair of bright objects. The “big” one is Venus, and sitting on top of it is the star Spica, Virgo’s brightest. They’ve been closing in on one another for days. Normally, the…
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Amateur Astronomer Discovers New Dawn Comet — Here’s How To Find It

Amateur astronomer Don Machholz bagged his 12th visual comet discovery on the morning of Nov. 7 from his home in Colfax, Calif. These days, most comets are found by robotic survey telescopes that scan the sky all night long looking for anything that moves. For an amateur to spot one the old-fashioned way with a telescope in…
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Van Allen Belts “Touch” The Earth In South Atlantic Anomaly

What looks like a red rash on this image are “hot spots” caused by heat from fires sensed by the orbiting Suomi NPP satellite. But wait. What’s that odd dot off the coast of Brazil in the middle of the Atlantic Ocean? Can’t be a fire, and it’s not a volcano or a natural gas…
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Take The Lazy River To The Asteroid Juno

When the word Juno shows up on this blog it’s usually in reference to the NASA spacecraft that swings around Jupiter every 53 days to take mind-blowing photos of the planet’s polar regions. Not this time. This time we’re going to find the asteroid 3 Juno which just happens to be making a close approach…
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