Astronomers are trying to understand why a giant star “blinked,” fading almost completely before brightening again over the course of about 200 days. The post The Giant Star That "Blinked" appeared first on Sky & Telescope.
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This Week’s Sky at a Glance, June 18 – 26
Summer begins. The Honey Moon poses with Spica, Scorpius, and the Teapot as it waxes from gibbous through full this week. Venus lines up, briefly, with Castor and Pollux The post This Week's Sky at a Glance, June 18 – 26 appeared first on Sky & Telescope.
Read MoreIron Volcanos: Maybe Not Science Fiction After All
A new study of asteroid 16 Psyche suggests that ferrovolcanism, volcanos that spew molten iron, may be present on this solar system object. The post Iron Volcanos: Maybe Not Science Fiction After All appeared first on Sky & Telescope.
Read MoreSummer Nights Offer Splendid Sights in Lyra
Lyra, the Lyre, offers a wonderful assortment of double stars and deep-sky objects to keep you up at night. Break out your binoculars and telescope and join me for a summertime ramble. The post Summer Nights Offer Splendid Sights in Lyra appeared first on Sky & Telescope.
Read MoreTwisters in the Cosmic Web
Astronomers have found that the largest structures in the universe spin, making twister-like strings of galaxies and dark matter in the cosmic web. The post Twisters in the Cosmic Web appeared first on Sky & Telescope.
Read MoreFrom Starving Black Holes to Warped Galaxies
Hot topics from the American Astronomical Society summer meeting range from colliding galaxies, to warped galaxies, to starving black holes. The post From Starving Black Holes to Warped Galaxies appeared first on Sky & Telescope.
Read MoreAstronomers Look into the Past of Local Dwarf Galaxies
A combination of simulations and observations indicates that galaxies like the Large Magellanic Cloud control when punier dwarfs plunge into large galaxies. The post Astronomers Look into the Past of Local Dwarf Galaxies appeared first on Sky & Telescope.
Read MoreChina’s Zhurong Rover Snaps Selfie on Mars
China’s Zhurong rover gets to work exploring Mars, with a new panorama of its landing site. The post China’s Zhurong Rover Snaps Selfie on Mars appeared first on Sky & Telescope.
Read MoreBright Nova in Hercules on a Roller Coaster Ride
A new bright nova discovered in Hercules at 8th magnitude briefly rose to naked-eye visibility. It’s currently easily visible in a pair of binoculars. The post Bright Nova in Hercules on a Roller Coaster Ride appeared first on Sky & Telescope.
Read MoreNumber of Mysterious Radio Flashes Detected Quadruples
The CHIME telescope has released its first catalog with 492 unique sources of fast radio bursts, the brief flashes of radio waves that have been intriguing astronomers over the past decade. The post Number of Mysterious Radio Flashes Detected Quadruples appeared first on Sky & Telescope.
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