With Venus approaching inferior conjunction in August here's a foolproof way to follow its thinning crescent as the planet transitions from Evening Star to Morning Star.
The post View Venus's Creeping Cusps at Solar Conjunction appeared first on Sky & Telescope.
The white dwarf J2033 seems to switch rapidly between two compositions.
The post A Jekyll-Hyde White Dwarf appeared first on Sky & Telescope.
A galaxy 600 million light-years away appears to be trailing gas in a string 1.2 million light-years long, but explaining its origins presents a challenge.
The post This Kite-like Galaxy Is Trailing a String of Gas and Star-forming Knots appeared first on Sky & Telescope.
Comet Pons-Brooks, a dim comet on its way to a great apparition next spring, suddenly sprang into action overnight, brightening by five magnitudes. Now you can see it in a 4-inch telescope.
The post See Comet 12P/Pons-Brooks in Outburst! appeared first on Sky & Telescope.
Dust is usually the product of generations of star formation. So what is all this dust doing in the early universe, just a few hundred million years after the Big Bang?
The post Another Early-Universe Mystery: JWST Spies Dust at Cosmic Dawn appeared first on Sky & Telescope.
Low in twilight, Mercury consorts with Venus and squeaks by Regulus. The waxing gibbous Moon does what it does every July: crosses Scorpius and Sagittarius.
The post This Week's Sky at a Glance, July 21 – 30 appeared first on Sky & Telescope.
Astronomers have spotted the first solid evidence for a planetary Trojan body forming in another system outside our own.
The post This Planet Might Have a Sibling Sharing Its Orbit appeared first on Sky & Telescope.
An unidentified source has been beaming out a pulse of radio waves every 22 minutes since 1988.
The post Astronomers Find Mysterious, Slowly Pulsing Star appeared first on Sky & Telescope.
Three distant galaxies imaged by the James Webb Space Telescope might actually be "dark stars" powered by dark matter annihilation, claims a team of astronomers.
The post Some Astronomers Claim Dark Star Candidates in Webb Images appeared first on Sky & Telescope.
India is headed back to the Moon with its ambitious new Chandrayaan 3 mission.
The post India's Chandrayaan 3 Mission Launches for the Moon appeared first on Sky & Telescope.
Venus, Mercury, and Mars, very unequal, gather low in the western twilight with the crescent Moon stepping over them and Regulus in their midst. And do you know which way the Kite of Boötes bends?
The post This Week's Sky at a Glance, July 14 – 23 appeared first on Sky & Telescope.
New research proposes a way for fast radio bursts to escape the confines of a magnetized star and jet out into space — by getting help from theoretical particles called axions.
The post Could Axions Help Fast Radio Bursts Escape a Magnetar’s Grasp? appeared first on Sky & Telescope.
NASA's Perseverance has sniffed 10 rock samples and found signatures of organic molecules, a sign of a complex geochemical past.
The post Perseverance Finds Complex Organics (Not Life) on Mars appeared first on Sky & Telescope.
Deep-sky objects may appear static throughout our lifetime but by carefully "blinking" archival and current images we can discern real changes in their appearance.
The post Time-lapse Animations Reveal a Universe in Transformation appeared first on Sky & Telescope.
Satellites’ leakage radiation, now detected for the first time, may become a major problem for radio astronomy, as “megaconstellations” keep on growing.
The post Unintended Satellite Emission May Harm Radio Astronomy appeared first on Sky & Telescope.
Mars meets Regulus while Venus looks on. Scorpius comes to its July height — bearing its double stars, Cat's Eyes, and Little Cat's Eyes. And keep a lookout for noctilucent clouds at the end of dusk.
The post This Week's Sky at a Glance, July 7 – 16 appeared first on Sky & Telescope.
The intrepid infrared explorer is offering astronomers a jump back in time, enabling them to see quasars at earlier times than ever before.
The post JWST Turns Its Eyes on Supermassive Black Holes and the Galaxies That Host Them appeared first on Sky & Telescope.
The James Webb Space Telescope offers a new view of Saturn, while the IceCube Observatory creates a neutrino-painted picture of the Milky Way.
The post Astronomy in Pictures: Saturn and the Milky Way appeared first on Sky & Telescope.
Fighting light pollution, one mini star party at a time.
The post Let There Be Dark appeared first on Sky & Telescope.
The European Space Agency’s New Space Telescope promises to unlock a key mystery of modern cosmology.
The post Euclid Space Telescope Launches to Explore Dark Energy, Dark Matter appeared first on Sky & Telescope.
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