Stars are most often born as multiples. Now, the TESS telescope has caught one of these multiple systems in a unique setup.
The post Four Stars, Many Eclipses appeared first on Sky & Telescope.
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Space News & Blog Articles
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Mars is closest to Earth this week, closer and brighter than we'll see it again until 2033. By late evening it's high overhead in excellent telescopic view.
The post This Week's Sky at a Glance, November 25 – December 3 appeared first on Sky & Telescope.
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Polarized X-rays are helping astronomers take a closer look at blazars’ “plasma guns,” the particle jets powered by supermassive black holes.
The post X-rays Offer View Inside the Black Hole-Powered Plasma Guns appeared first on Sky & Telescope.
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Jay M. Pasachoff, Chair of the Astronomy Department, Director of the Hopkins Observatory, and Field Memorial Professor of Astronomy at Williams College in Williamstown, Massachusetts, succumbed to cancer on Sunday morning, November 20th.
The post A Celebration of Jay Pasachoff (1943-2022) appeared first on Sky & Telescope.
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Why did a supernova abruptly change color? A recent study suggests a change in ejecta velocity — a cosmic speed bump — might be the culprit.
The post A Supernova Hits a Cosmic Speed Bump appeared first on Sky & Telescope.
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A riot of colors in this James Webb Space Telescope infrared image show the warm glow of a feeding infant star, representing a look back in time at a star very like the Sun.
The post Webb Telescope Reveals Starbirth in a Riot of Colors appeared first on Sky & Telescope.
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Orion works its way up from behind the horizon after dinnertime and stands high by late evening. Big bright Jupiter and Mars dominate the sky. Jupiter is under the Great Square; Mars is in the horns of Taurus.
The post This Week's Sky at a Glance, November 18 – 26 appeared first on Sky & Telescope.
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The unfolding of the BlueWalker 3's giant flat-panel antenna array resulted in a satellite 40 times as bright, outshining most stars.
The post BlueWalker 3 Satellite Unfolds, Brightening 40-fold appeared first on Sky & Telescope.
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Ready to chase comets? We look at two fuzzy solar system travelers that will keep you on your toes all fall and winter long.
The post Sneak Peek at Two Promising Comets appeared first on Sky & Telescope.
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NASA’s next-generation Moon rocket has left the launchpad on the first flight of the Artemis program.
The post NASA Launches SLS Rocket on Artemis 1 appeared first on Sky & Telescope.
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The interstellar pancake named 'Oumuamua might have been a chip off a Pluto-like object in another star system.
The post Was Interstellar Object `Oumuamua a Chunk of Exo-Pluto? appeared first on Sky & Telescope.
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A luminous flare provides astronomers with a rare opportunity to measure the mass of an otherwise quiescent black hole at the center of a dwarf galaxy.
The post Shredded Star Reveals a Dwarf Galaxy’s Central Black Hole appeared first on Sky & Telescope.
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The Moon shines in the east with ever-brightening Mars, then it wanes down into the early morning hours to leave the evenings dark for deep-sky observing. Jupiter glares on high. Vega and its binary accompaniments await you in the west.
The post This Week's Sky at a Glance, November 11 – 19 appeared first on Sky & Telescope.
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Scientists have discovered one of the oldest planetary graveyards in the Milky Way: a cool white dwarf "polluted" with rocky debris.
The post Ancient White Dwarf Hosts Planetary Graveyard appeared first on Sky & Telescope.
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Archival Hubble Space Telescope images taken more than a decade ago have revealed an ancient star in the act of exploding.
The post Hubble Spies Supernova in Early Universe appeared first on Sky & Telescope.
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During October, Editor in Chief Peter Tyson accompanied 19 adventurous skygazers on a 12-day expedition to Chile — the “astronomy capital of the world” — for a tour of breathtaking landscapes and the magnificent southern sky.
The post Observing Chile’s Finest appeared first on Sky & Telescope.
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Worlds around red dwarf stars might build an ozone "shield" in response to stellar flares.
The post Shields Up: Red Dwarf Worlds Might Adapt to Hostile Systems appeared first on Sky & Telescope.
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Astronomers have connected dozens of neutrinos detected by the IceCube Observatory to a nearby galaxy, M77, aka the Squid Galaxy.
The post Squid Galaxy Gets in on the Neutrino Game appeared first on Sky & Telescope.
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The Moon gets totally eclipsed this week as it walks from Jupiter to Mars, the two brightest evening planets. Saturn is at eastern quadrature, which means an effect is under way for evening telescope users.
The post This Week's Sky at a Glance, November 4 – 12 appeared first on Sky & Telescope.
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The total lunar eclipse of November 8th favors western North America, but the whole continent will enjoy much of the spectacle, provided skies are clear.
The post Get Ready for Tuesday's Total Lunar Eclipse appeared first on Sky & Telescope.
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