The Winter Hexagon encompasses the brightest winter stars. Near Orion, the Big Dog prances and the Hare crouches. And the moonless dark this week opens telescopic deep-sky depths.
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Space News & Blog Articles
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Virginia Trimble collected "shiny things" in astronomy — and her curated collections fascinated astronomers around the world.
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A distant Kreutz comet heading our way may grow a glorious tail in April.
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Feeling sluggish and crabby? Got cloudy skies? You might be suffering from SDS.
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The proposed installation — less than 10 miles from Paranal Observatory — sparked international concern. Now it’s canceled.
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An AI search through decades-old spacecraft images reveals that Mercury may still be alive and kicking, geologically speaking.
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In this month’s episode, go on a tour of the stars and planets that you’ll see overhead during February. First we’ll keep tabs on the Moon; say good-bye to Saturn; trace out the Winter Milky Way; and explore some lesser-known constellations near Orion.
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The dazzling Moon occults Regulus Monday night while Regulus is busy announcing February. Betelgeuse turns the Winter Hexagon into the Heavenly G.
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New observations reveal a strange structure in the iconic nebula that has evaded astronomers for centuries.
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The final release of data from the Dark Energy Survey widens tensions in our understanding of the cosmic evolution.
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Sculpted gases in the Helix Nebula, revealed in a new Webb image, look like the firework-like tendrils in a distant amateur-discovered supernova remnant — here's why.
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Tiny Mars might have an outsize effect on Earth's climate over hundreds of thousands of years.
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A new study suggests that an early version of Mars’s smaller moon Deimos was pulverized by its own debris, explaining the moon's oddities.
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The waxing Moon marches east across the evening sky. It says hello to binary Gamma Arietis on Saturday, then occults some of the Pleiades for Europe on Tuesday. But it's past them by nightfall in North America.
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New videos from the Solar Orbiter and the Chandra X-ray Observatory capture magnetic avalanches on the Sun and the exploding remnants of a star 17,000 light-years away.
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Mira the Wonderful is back! Of course, it's always been there, but now it's near maximum brightness and easily visible with the unaided eye.
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Congress has rejected a draconian budget request, passing a bill that funds the space agency similarly to 2025.
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Astronomers have found two gravitationally lensed supernovae that are missing images. Those images' arrival will offer a measure of the universe's expansion.
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This winter the biggest planet is the brightest. The brightest star pins the Winter Triangle. And did you know Capella and Rigel march in step?
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Schmidt Sciences has unveiled details on four ambitious observatories to monitor the dynamic cosmos, with data from all four expected by 2029.
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This year offers an interesting mix of celestial coverups: a total solar eclipse viewable from Spain and two deep lunar
eclipses (one total, one not quite) visible across North America. The fourth, an annular solar eclipse, will be confined to the bottom of the world.
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