Apollo 11 Anniversary And A Morning Moon Invitation

48 years ago today, humans walked on the moon for the first time. Neil Armstrong and Buzz Aldrin landed in the Sea of Tranquillity, an ancient lava plain, at 3:18 p.m. CDT July 20. About 6 ½  hours later at 9:56 p.m., Armstrong emerged from the lunar module; Aldrin followed some 20 minute later. The guys…
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Summer Too Hot? Cool Off With These New Flyover Videos Of Pluto And Charon

Soaring Over Pluto. Credit: NASA/JHUAPL/SSI/LPI It’s been two years since NASA’s New Horizon spacecraft gave us our first closeup look at Pluto and its moons. These new videos use photos and elevation models of of Pluto and its largest moon, Charon, that offer a fresh new perspective of the features that make these objects so fascinating…
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Bug-Eyed Over The Milky Way

Boy, it’s a buggy time of year. Standing under an incredible Milky Way, I tried to picture all the insects between us and the stars — wayward moths, fireflies shaking green lanterns, mosquitos out for blood, spiders riding silk parachutes and many others too small to alert the senses. Our planet is so intensely alive. July nights…
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Geomagnetic Storm Underway, Aurora Forecast Looks Good Tonight

** Update 10:30 p.m. CDT: After a day with lots of auroral activity in the eastern hemisphere, we’ve been in a lull the past few hours now that darkness has come to North America. No aurora to report yet, but it’s only just getting dark here. I’ll update again in a bit. ** Update 1:15…
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What’s The Smallest Star? EBLM J0555-57Ab Of Course!

Just slightly larger than Saturn, EBLM J0555-57Ab is the smallest star ever found. We’re talking a living star that fuses hydrogen into helium to make energy, not a white dwarf or neutron star, which long ago exhausted its fuel. While these unusual stars can be as small as a large city, they don’t qualify because they no longer…
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