See A Potentially Hazardous Asteroid Zip By Earth Wednesday

Astronomers are constantly on the lookout for slippery asteroids and comets passing through Earth’s neighborhood. Thanks to their efforts, we know of at least 16,000 NEOs or Near-Earth Objects, the majority of which are asteroids. Of that number about 1,800 are potentially hazardous. One of them, 2014 JO25, will be speeding by our planet Wednesday.…
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Mostly Saturn With A Chance Of Auroras

Do we have any bread bakers out there? Runners? Tomorrow morning, assuming clear weather, they (and anyone else inclined) will see the waning gibbous moon and Saturn stand together in the southern sky an hour or two before sunrise. Both are in the Teapot constellation, Sagittarius the Archer. Sagittarius and neighboring Scorpius are summertime groups…
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Distant, Dim ‘DeeDee’ Beckons From Beyond

Meet DeeDee. At about three times Pluto’s current distance from the sun, DeeDee is the second most distant known trans-Neptunian object (TNO) with a known orbit. Only the dwarf planet Eris lies further. Both circle the sun in the scattered disk, a sparse ring of bodies that lies even farther than the Kuiper Belt, an…
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Comet 41P In The Dragon’s Gaze / Saturn’s Flying Saucer Moon

Now that the waning gibbous moon rises after 11 o’clock, we’ve got an expanding dark sky window to catch up with 41P/Tuttle-Giacobini-Kresak. When we last left the comet, it was sailing across the Big Dipper and visible as a 6th magnitude smudge-ball in binoculars. It passed closest to Earth on April 1 at 13 million miles.…
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Hubble’s Jupiter — Whipped Cream With A Cherry On Top

If you had clear skies this week, you probably noticed the big, bright moon next to the big, bright planet Jupiter. Jupiter drew closest to the Earth on April 8 and now appears brighter in the night sky than at any other time in the year. Not only are beginners and amateurs alike pointing telescopes…
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