Look who's visiting this winter in Orion: Vesta, a bright asteroid with a dark side.
The post Vesta Sets Sail Across Orion appeared first on Sky & Telescope.
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Space News & Blog Articles
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New near-infrared observations from the Webb telescope reveal intricate strands of debris from the exploded star.
The post Cassiopeia A: A Festive Supernova Remnant appeared first on Sky & Telescope.
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Polygons buried beneath the surface of Mars indicate an abrupt transition in the planet's early history.
The post Buried Polygons on Mars Point to “Stark Environmental Transition” appeared first on Sky & Telescope.
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The best meteor shower of the year peaks late Wednesday night. And if you're not positioned to see the tiny asteroid occult Betelgeuse Monday evening, watch by livestream!
The post This Week's Sky at a Glance, December 8 – 17 appeared first on Sky & Telescope.
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Galaxies are embedded within halos of dark matter, and the tilt of those halos can affect the galaxy's stellar halo and stellar disk.
The post Dark Halos and Warped Disks appeared first on Sky & Telescope.
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A series of stellar occultations has provided evidence that the ring system around this strange object is evolving drastically.
The post The Comet-Asteroid Chiron Has Rings — And They're Changing appeared first on Sky & Telescope.
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It’s December and that means one of the best celestial events will grace the skies. The Geminid meteor shower should peak in a moonless sky between Wednesday and Thursday, December 13–14.
The post A Great Year for the Geminids appeared first on Sky & Telescope.
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An international research collaboration trained computers to sift through millions of images for cosmic treasure.
The post Astronomers Discover 562 New Candidate Strong Lenses With Machine Learning appeared first on Sky & Telescope.
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These moonless evenings open up the deep sky. For many of us the viewing is especially crisp through the low-humidity December air. The Big Dipper lies low, Cassiopeia stands high, and the Andromeda Galaxy crosses the zenith.
The post This Week's Sky at a Glance, December 1 – 9 appeared first on Sky & Telescope.
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This month’s Sky Tour podcast introduces you to a “tower of brilliance” in the eastern evening sky, along with tips for finding four planets and watching mid-December’s impressive Geminid meteor shower.
The post December Podcast: A Tower of Brilliant Stars appeared first on Sky & Telescope.
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You'll have five opportunities in the coming months to see Jupiter's moons in interesting alignments.
The post Watch Jupiter's Moons in Unusual Lineups appeared first on Sky & Telescope.
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Salt glaciers on Mercury suggest conditions friendly to life — but not life itself — might once have existed on the innermost planet.
The post Do Glaciers on Mercury Suggest Such a Planet Could Be Habitable? appeared first on Sky & Telescope.
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The small object orbiting around main-belt asteroid 5457 Queen’s is the second confirmed asteroid moon discovered during a stellar occultation.
The post Amateur Astronomers Discover an Asteroid’s Moon appeared first on Sky & Telescope.
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The year's most spectacular meteor shower is upon us. Prepare to enjoy the Geminids under a dark, moonless sky, when you might see more than 100 meteors per hour.
The post Get Ready to Greet the Geminid Meteor Shower! appeared first on Sky & Telescope.
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Astronomers have uncovered six sub-Neptune exoplanets dancing in lock-step around the same distant star, shedding light on their formation.
The post Six Sub-Neptunes Discovered 100 Light-Years Away appeared first on Sky & Telescope.
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This Tuesday the 28th we will see the Moon rise in twilight as far north as it possibly can. Do you know why?
The post This Week's Sky at a Glance, November 24 – December 3 appeared first on Sky & Telescope.
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The International Astronomical Union has named the asteroid provisionally designated as 1993 FE15 after Sky & Telescope's Contributing Editor Gary Seronik: 20046 Seronik.
The post Asteroid Named for Sky & Telescope’s Gary Seronik appeared first on Sky & Telescope.
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A brilliant flash of blue light briefly outshined its host galaxy before fading away — but then it exploded again and again, shedding light on the nature of its source.
The post Astronomers Find a Brilliant Explosion That Just Keeps On Exploding appeared first on Sky & Telescope.
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Observers across much of the U.S. and Canada have a unique opportunity Monday night, November 20–21, to see Uranus's brightest moon occult a star.
The post Watch Uranus's moon Titania cover a star appeared first on Sky & Telescope.
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Before the advent of computers or even a working theory of the solar system, the ancients predicted solar eclipses. How did they do it?
The post How Did the Ancients Predict Eclipses? The Saros Cycle appeared first on Sky & Telescope.
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