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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Triangles For Lunatics, Crater Riot

If you missed last night’s amazing occultation, the moon has more in store tonight. Look up at dusk and you’ll see three very different objects form a right triangle high in the southwestern sky. The moon occupies one corner and the Jupiter and Spica the others. Spica, the faintest of the three, is intrinsically the…
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Watch A Unique ‘Two-Step’ Occultation Of Porrima Tonight

We had an almost-occultation when the moon passed very close to the bright star Regulus three nights ago. Tonight, the dark advancing edge of the half-moon will occult Porrima, also known as γ Virginis, for the eastern half of North America and part of the Caribbean during the early evening hours. At the same time, the moon…
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Crescent Moon Meets The ‘Little King’ Tonight

We may not see many total eclipses in our lifetime, but nature provides plenty of smaller celestial alignments we can enjoy almost anytime. Awareness of the simplest of things, the moon’s night-to-night track across the sky for instance, guarantees we’ll see it pair up in pretty conjunctions with bright stars and planets every month. And none of…
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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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