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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Spot A Young Moon After Sunset Tonight

I apologize for the late notice. I’ve been working on a new book about the sky and completely lost track of time. I just wanted to alert you to tonight’s moon, just 2 days past new. You can watch for it low in the northwestern sky starting about 45 minutes after sundown. A pretty sliver…
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Venus Returns At Dawn / Sun Gets Busy

Back so soon? Venus, lately of the evening sky, has returned to view in the morning sky after speeding north of the sun during conjunction on March 25. The transition from morning to evening is swift because the planet is between the Earth and sun and relatively close to us — about 26 million miles.…
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To Mercury By Way Of Slinky Crescent

Catch any northern lights last night? It wasn’t easy. A low glow and a few faint rays appeared in the northern sky early just after the end of evening twilight. I also saw some glow early this morning just before the start of dawn. Forecasts still call for a G1 or minor geomagnetic storm (Kp=5)…
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Crescent Moon Comeback / See Tonight’s Mars-Uranus Duet In Binoculars

Annular solar eclipse as viewed from Coyhaique, Chile Let’s start today with time lapse video of Sunday’s “ring of fire” solar eclipse. It mixes images of sun in eclipse with the human scene. Notice that even at maximum eclipse — when most of the sun was covered — it was still “sunny” outside. It’s hard to…
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