Astronomers have discovered a large but very dim ghost-like galaxy. Its existence challenges our notions of dark matter.
The post Ghost-like Galaxy Defies Dark Matter Model appeared first on Sky & Telescope.
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Space News & Blog Articles
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The full Moon on October 28th shines near full Jupiter at opposition this week. Telescopically, Jupiter this week is as big as you'll ever see it,
The post This Week's Sky at a Glance, October 27 – November 5 appeared first on Sky & Telescope.
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An impact far from NASA's Insight lander on Mars set off seismic waves that revealed new details about the Martian interior.
The post Marsquake Reveals Molten Layer Above Martian Core appeared first on Sky & Telescope.
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Sky & Telescope’s recent tour to Iceland explored all the island’s sights — and kept S&T’s record at a solid nine for nine for seeing auroras!
The post A Windy and Wonderful Icelandic Aurora Adventure appeared first on Sky & Telescope.
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The Flamingo simulations are not only the largest but also the most all-encompassing simulations of the universe, from 13.75 billion years ago to today.
The post Largest-ever Computer Simulation of the Universe appeared first on Sky & Telescope.
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The James Webb Space Telescope and Juno mission turned their eyes to Jupiter and its volcanic moon Io, revealing fine details.
The post Striking New Views of Jupiter and Its Moon Io appeared first on Sky & Telescope.
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A highly energetic fast radio burst, which broke the distance record, provides a crucial test for theories of these events' origins.
The post Radio Burst Breaks Distance Record, Challenges Theories appeared first on Sky & Telescope.
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Going by the paperwork, 1 million satellites are headed for the skies. The question is, how many of these are real? New policy may help stem the tide.
The post A New Hope? Taming the Satellite Swarm appeared first on Sky & Telescope.
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The waxing Moon in the evening sky visits Saturn, then Jupiter. And as Halloween approaches, Arcturus becomes the Ghost of Summer Suns.
The post This Week's Sky at a Glance, October 20 – 29 appeared first on Sky & Telescope.
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Bundle up and enjoy the Orionid meteor shower under moonless skies this week. Don't miss the warm-up act, either, when two of Jupiter's moons pair up in a captivating double-shadow transit.
The post Orionid Meteors Fly; Two Moons Shadow Jupiter appeared first on Sky & Telescope.
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Ancient pine trees hold the record of an atmospheric event 14,373 years ago. The only known explanation is a massive solar storm.
The post Unearthing a Solar Storm in Ancient Alpine Trees appeared first on Sky & Telescope.
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The weekend's solar eclipse dazzled observers throughout the U.S. and Mexico. Sky & Telescope editors and contributing editors report.
The post Annular Solar Eclipse Dazzles Watchers Across North America appeared first on Sky & Telescope.
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The Psyche mission launched today, on its way to rendezvous with the asteroid of the same name in 2029.
The post Psyche Mission Is on the Way to Psyche, the Asteroid appeared first on Sky & Telescope.
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The week's big event is the Moon stepping on the Sun on Saturday the 14th. But the Moon's not done. Several days later it steps squarely on the handle of the Sagittarius Teapot, then on Herman's Cross. Show-off.
Image: S&T's Sean Walker resolved Io briefly half lit as it slipped into Jupiter's shadow.
The post This Week's Sky at a Glance, October 13 – 22 appeared first on Sky & Telescope.
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A star's sudden brightening and, two years later, its sudden dimming point to a cataclysmic collision between two large worlds.
The post Two Worlds Have Ended in a Planetary Collision — and a New One Has Begun appeared first on Sky & Telescope.
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If you can't see the annular solar eclipse in person, we've got some online viewing opportunities for you.
The post Where to Watch the October 14th Annular Solar Eclipse Online appeared first on Sky & Telescope.
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An explosive flash of blue light briefly appeared in intergalactic space, thousands of light-years from the nearest galaxy.
The post Hubble Telescope Witnessed Intergalactic Flash of Light appeared first on Sky & Telescope.
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The Osiris-REX sample collection team reveals the first look at material collected from the asteroid Bennu.
The post First Look at Material from Asteroid Bennu on the Ground appeared first on Sky & Telescope.
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Making room for astronomy in my life has felt like coming home — as if the universe has left a literal light on for me.
The post The Stars Are Waiting appeared first on Sky & Telescope.
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Satellite imagery will prove invaluable in making decisions on the day of the annular solar eclipse.
The post When It's Eclipse Decision Time, How Do You Decide Where to Go? appeared first on Sky & Telescope.
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