Gaseous mini-Neptunes may become rocky super-Earths when they lose their atmospheres. Now, astronomers have caught that process in action. The post Astronomers Watch the Making of a Super-Earth appeared first on Sky & Telescope.
Read MoreTag: Exoplanets
Exoplanet Hunter Racks up 5,000 “Objects of Interest”
Since its 2018 launch, the unassuming TESS satellite has found 175 confirmed exoplanets (so far) among 5,000 “objects of interest.” The post Exoplanet Hunter Racks up 5,000 “Objects of Interest” appeared first on Sky & Telescope.
Read MoreNeedle in the Haystack: New Exomoon Candidate Found
Astronomers may have found a second Neptune-size exomoon hidden in the retired Kepler space telescope’s data. The post Needle in the Haystack: New Exomoon Candidate Found appeared first on Sky & Telescope.
Read MoreAstronomy in Pictures: Largest 3D Map of Our Universe and a Stellar Intruder
This week astronomers have announced the completion of the largest 3D map of galaxies across the cosmos, plus exquisite radio observations show what happens when a stellar intruder interrupts planet formation. The post Astronomy in Pictures: Largest 3D Map of Our Universe and a Stellar Intruder appeared first on Sky & Telescope.
Read MoreGiant Planet Imaged Around Massive Star
Astronomers have imaged a giant planet around a massive pair of stars, a discovery that challenges our notions of how planets form. The post Giant Planet Imaged Around Massive Star appeared first on Sky & Telescope.
Read MoreDid We Find a Planet in Another Galaxy?
Astronomers using an innovative method have detected the signal of what could be an extragalactic exoplanet. But confirming its existence will be difficult. The post Did We Find a Planet in Another Galaxy? appeared first on Sky & Telescope.
Read MoreAstronomy in Pictures: Black Holes, Baby Stars, and Magnetic “Tunnels”
Astronomers witness the unfurling of a black hole-powered mushroom cloud, a baby super-Jupiter, and a magnetic “tunnel” around the solar system. The post Astronomy in Pictures: Black Holes, Baby Stars, and Magnetic "Tunnels" appeared first on Sky & Telescope.
Read MoreInfant “Hot Neptune” Provides Clues to Its Birth
How’d a nice young ice giant end up in such a hot orbit? Scientists investigate the mysterious exoplanet AU Microscopii b. The post Infant “Hot Neptune” Provides Clues to Its Birth appeared first on Sky & Telescope.
Read MoreAstro News: Planet-eating Stars and an Accidental Brown Dwarf
This week in astronomy news: A citizen scientist happens upon a weird, ancient brown dwarf and astronomers discover that Sun-like stars eat their own planets. The post Astro News: Planet-eating Stars and an Accidental Brown Dwarf appeared first on Sky & Telescope.
Read MoreRed Dwarfs Aren’t So Bad (For Planets) After All
Red dwarf stars appear to flare preferentially at high latitudes, which might keep their exoplanets habitable instead of hellish. The post Red Dwarfs Aren’t So Bad (For Planets) After All appeared first on Sky & Telescope.
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