There’s a strangely large-diameter ring around the outer solar system world Quaoar.
The post Astronomers Discover Unexpected Ring around Distant Dwarf Planet appeared first on Sky & Telescope.
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Space News & Blog Articles
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With care and diligence, amateur astronomy can offer a satisfying reprieve.
The post On Burnout, the “Green Comet,” and White Dwarf Stars appeared first on Sky & Telescope.
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Terence Dickinson, Canadian astronomer and author of numerous popular books on astronomy, has passed away.
The post Terence Dickinson (1943 – 2023) appeared first on Sky & Telescope.
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Comet ZTF is still near its brightest, moonlight and all. Around the Big and Little Dog Stars, trace out the stick-figure patterns of the big and little dogs. A ghostly unicorn haunts the inside of the Winter Triangle.
The post This Week's Sky at a Glance, February 3 – 12 appeared first on Sky & Telescope.
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NASA’s Lucy mission now has a new first target of opportunity, a main-belt asteroid it will visit this November.
The post Lucy Mission Has a New Asteroid to Fly By appeared first on Sky & Telescope.
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We explore Comet ZTF's remarkable trio of tails and share the latest news and photos.
The post Understanding the Tails of Comet ZTF (C/2022 E3) appeared first on Sky & Telescope.
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February 4th marks the midway point between Decemberʼs solstice and the March equinox. Celebrate that celestial milestone by getting outside to gaze in awe at the amazing array of bright stars youʼll find overhead on February evenings.
The post February: Winterʼs Dazzling Stars appeared first on Sky & Telescope.
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The discovery of a dozen new moons for Jupiter makes the king of planets the king of moons, too — at least for now.
The post Astronomers Find a Dozen More Moons for Jupiter appeared first on Sky & Telescope.
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Not so long ago, astronomers thought only a few dozen moons orbited the planets of our solar system. Today, the total count tops 170!
The post The Moons of the Solar System appeared first on Sky & Telescope.
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Comet ZTF is at its best this week — but every night moonlight encroaches on the scene until a later and later hour. Along the way, the Moon occults Mars for the southern U.S. and again forms isosceles triangles with naked-eyestars.
The post This Week's Sky at a Glance, January 27 – February 5 appeared first on Sky & Telescope.
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A recently discovered asteroid will pass exceptionally close to Earth on January 26th. Here's how to see it.
The post Tiny Asteroid 2023 BU to Miss Earth appeared first on Sky & Telescope.
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Astronomers at this month's big winter conference explored intriguing small galaxies at various points in cosmic history.
The post New Observations Reveal Galaxies Near and Far appeared first on Sky & Telescope.
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Deep images of galaxy clusters reveals the light of wandering stars. What set these stars free from their hosts?
The post Hubble and Webb Image Galaxies’ Lost Stars appeared first on Sky & Telescope.
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The James Webb Space Telescope has found the tiny tail of a close-in exoplanet that's losing its atmosphere.
The post JWST Investigates an Exoplanet "Corgi" appeared first on Sky & Telescope.
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The average brightness of the night sky is increasing by 10% every year, making the stars less visible.
The post Light Pollution Is Increasing Even Faster Than We Realized appeared first on Sky & Telescope.
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Venus and Saturn have a close conjunction in twilight. Comet ZTF heads into its best week or two. And Betelgeuse pulls ahead of Sirius ever earlier in the night.
The post This Week's Sky at a Glance, January 20 – 29 appeared first on Sky & Telescope.
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If you have a solar filter, check out the sunspot group AR 3190 that's crossing the solar disk this week.
The post See a Giant Sunspot! appeared first on Sky & Telescope.
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An arc that glows green thanks to doubly ionized oxygen appears near the Andromeda Galaxy in a photo obtained by amateur astronomers.
The post Amateur Astronomers Find Glowing Gas Arc Near Andromeda appeared first on Sky & Telescope.
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Astronomers have discovered that one of the Milky Way’s nearest galactic neighbors has dramatically changed its looks in the recent past.
The post Familiar Fluffy Triangulum Galaxy Has Hidden, Two-Armed Pattern appeared first on Sky & Telescope.
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Forget the hype and go outside to enjoy the real thing — a relatively bright comet you can see in binoculars from a dark sky.
The post Circumpolar Comet ZTF (C/2022 E3) is Here! appeared first on Sky & Telescope.
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