The bright BlueWalker 3 satellite, a prototype for the even larger Bluebird satellites, is one of the brightest objects in the sky.
The post The Bright BlueWalker 3 Satellite Threatens Astronomy appeared first on Sky & Telescope.
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After decades of searching, scientists have found stars accompanying the gas streaming from two smaller galaxies that orbit our Milky Way.
The post Astronomers Find Stars Cast Away from Galactic Neighbors appeared first on Sky & Telescope.
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This month’s big celestial news might be the annular solar eclipse that will be seen in the Americas, but everyone can share the fun of casual stargazing by streaming or downloading October’s Sky Tour astronomy podcast.
The post October Podcast: Jupiter & Saturn Dance at Dusk appeared first on Sky & Telescope.
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The Moon pairs with Jupiter, then the Pleiades, as it departs the evening sky. That leaves a dark-sky Milky Way crossing the zenith, where Cygnus the Milky Way Swan flies southward for fall.
The post This Week's Sky at a Glance, September 29 – October 8 appeared first on Sky & Telescope.
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Astronomers have discovered two Neptune-size planets that are denser than rock and in searingly close orbits to their star. How did these odd worlds form?
The post How Did Two Hot and Super-dense Neptunes Form? appeared first on Sky & Telescope.
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The week of September’s new Moon, a passel of astro-enthused passengers joined us to explore one of the world’s premier observing locations.
The post Travel Diary: Astronomical Adventures in the Canaries appeared first on Sky & Telescope.
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NASA’s newest mission is bound for the metallic asteroid of the same name. The metal-rich rock offers us a view of asteroid interiors.
The post Psyche Asteroid Mission Set for Launch October 5th appeared first on Sky & Telescope.
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As hundreds of astronomers made their annual pilgrimage to the “shrine to the stars” this year, the Springfield Telescope Makers were preparing to celebrate Stellafane's 100th anniversary.
The post Stellafane Star Party Celebrates Their Centennial appeared first on Sky & Telescope.
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Samples taken from the asteroid Bennu are now safely on Earth.
The post Osiris-REX Capsule Returns Samples of Asteroid Bennu to Earth appeared first on Sky & Telescope.
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Data coming from the Webb and Hubble space telescopes suggests two exoplanets might be water worlds. But the evidence isn’t yet definitive.
The post Hubble, Webb Data Hint at Ocean Worlds appeared first on Sky & Telescope.
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The bright Moon steps east night by night under Altair, then Saturn, then the Great Square of Pegasus. Meanwhile, Deneb replaces Vega as the zenith star; welcome to fall.
The post This Week's Sky at a Glance, September 22 – October 1 appeared first on Sky & Telescope.
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The Earth's atmosphere and the large size of the solar disk result in unequal days and nights, even on the equinox.
The post Is the Day 12 Hours Long on the Equinox? It's Complicated appeared first on Sky & Telescope.
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Some eclipse-chasers may choose to view a “broken ring” on October 14, 2023, in exchange for the chance to see something even more spectacular: Baily's Beads
The post To Catch Beads of Sunlight, Here's Where You Should Head for October 14th's Annular Eclipse appeared first on Sky & Telescope.
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An independent study shows how NASA can help understand unidentified anomalous phenomena, more colloquially known as UFOs.
The post NASA Finds No Evidence UFOs Are Extraterrestrial, Promises Further Study appeared first on Sky & Telescope.
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See the images that won the Royal Observatory Greenwich's Astronomy Photographer of the Year award.
The post See the Winning Images of Royal Observatory Greenwich's Astrophotographer of the Year Contest appeared first on Sky & Telescope.
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Comet Nishimura shines at its brightest... but don't be disappointed, we warned you. Meanwhile Jupiter joins Saturn as an evening light, and the Little Dipper dumps water into the Big Dipper.
The post This Week's Sky at a Glance, September 15 – 24 appeared first on Sky & Telescope.
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A newfound cosmic alignment of galaxies challenges fundamental ideas about the nature of our universe.
The post Galaxies Outline Bubble 1 Billion Light-Years Wide in Space appeared first on Sky & Telescope.
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Astronomers have found clumps of dark matter 30,000 light-years wide in the space between galaxies in the distant universe.
The post Dark Matter Clumps Float Between Galaxies, Data Shows appeared first on Sky & Telescope.
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Astronomers think a city-size star that’s spinning faster than a kitchen blender is shooting out plasma torpedoes.
The post Peculiar Pulsar Throws “Cosmic Cannonballs” appeared first on Sky & Telescope.
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Comet Nishimura teases us shyly low on the dawn horizon, then low on the dusk horizon. The Milky Way arches high across the evening sky, and Saturn invites your telescope.
The post This Week's Sky at a Glance, September 8 – 17 appeared first on Sky & Telescope.
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