Volcanic Dust Paints Duluth’s Sunsets

Fiery colors illuminate the western sky a half hour after sunset last night (August 29) over Rice Lake Township. Volcanic dust and gas high in the atmosphere have deepened the colors of twilight the past week or two. Photo: Bob King / News Tribune I hope some of you found our featured variable star Eta Aquilae under last…
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Sufferin’ Succotash, It’s A Cepheid

We’re so used to the sun’s constancy. It’s doesn’t suddenly brighten and then fade. It’s the same size day to day, even millenium to millenium. The sun is reliable, which is probably why life has had the opportunity to flourish in so much variety on our planet. Stars like the sun remain well-behaved over much…
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The Eye Of Sauron

A striking display of crepuscular rays around the sun this morning, August 28. Although the rays appears to focus on the sun, they’re actually parallel to one another. The "railroad track" effect makes them look like they’re converging toward the sun. Photo: Bob King / News Tribune I walked out of Marshall school this morning,…
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Who Knew Horses Could Fly?

Look due east three fists below Cygnus (the Northern Cross) around 9:30 p.m. to find Pegasus the Winged Horse and its easily-recognized Great Square. The Square is large, measuring some two "fists" across. You can also use the "W" of Cassiopeia to guide you there. — created with Stellarium With September knocking on the door, what’s…
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Jivin’ With Jupiter

Jupiter has been very assertive these nights. Even in early twilight, the planet stands out bold as a brass button in the southeastern sky. I saw it at 8:15 yesterday evening. By nightfall, it’s so bright, it steals the attention of anyone looking south. To find it, look about three outstretched fists high in that direction…
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