Be The First On Your Block To See Venus

Hey, look who’s back! Venus has spent a lot of time near the sun in the sky. But as the leaves drop and the trees go bare in the coming weeks, the planet returns to bring cheer to the evening sky. For now it’s very low in the west shortly after sunset. If you live…
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Wee Hours Adventure — Last Night’s Aurora And More To Come

True to form the aurora  played the trickster last night. When we expected a G2 moderate storm, we saw instead a faint though beautiful series of feathery plumes across the northern sky.  By 11 p.m. they had all but disappeared, so I drove further north to do some telescopic observing and wide-field photography. About 1:15…
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Tonight’s Aurora Is On Schedule … So Far

Things are heating up! The Kp index indicates a minor geomagnetic storm already underway as of 5 p.m. Central Time. Were it night here in northern Minnesota I’m sure we’d be greeted with a throbbing green arc draped over the northern horizon. Let’s hope the action continues into the night. The current forecast still calls…
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Black Holes Take Space And Time Into Their Own Hands

A new visualization of a black hole from NASA helps us appreciate how the hole’s gravity distorts our view, warping its surroundings as if seen in a carnival mirror. A black hole forms when an object, often the core of an exploding star called a supernova, collapses into a tiny ball of such fantastic density…
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Aurora Bump Tonight, Storm Expected This Weekend Sept. 27-28

The sun sneezed on Sept. 20 and blew a bunch of electrons and protons into space in a coronal mass ejection. That material is expected to arrive later this afternoon and evening and potentially spark a minor display of the northern lights. Skywatchers in the fringes of the northern U.S. and across Canada should be…
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