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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Recurrent Nova RS Ophiuchi Just Blew its Top!
The recurrent nova RS Ophiuchi just went into outburst — its first burst in 15 years — and it’s bright enough to see with the naked eye The post Recurrent Nova RS Ophiuchi Just Blew its Top! appeared first on Sky & Telescope.
Read MoreMilky Way Magnetar Spits Gamma Rays on Schedule
A Milky Way magnetar surprises astronomers by burping up gamma rays right when their predictions anticipated. The post Milky Way Magnetar Spits Gamma Rays on Schedule appeared first on Sky & Telescope.
Read MoreMoon-size White Dwarf Is the Smallest Ever Found
Astronomers have discovered a white dwarf only slightly bigger than the Moon, making it the smallest ever found. It might even be on the edge of collapse. The post Moon-size White Dwarf Is the Smallest Ever Found appeared first on Sky & Telescope.
Read MoreThe Giant Star That “Blinked”
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.
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.
Read MoreFast Radio Bursts Tied to Spiral Arms
New Hubble observations have pinned five enigmatic radio bursts to the arms of spiral galaxies, narrowing down possible explanations. The post Fast Radio Bursts Tied to Spiral Arms appeared first on Sky & Telescope.
Read MoreNova in Cassiopeia Brightens Suddenly
A star in the constellation Cassiopeia that flared into view during mid-March has erupted to naked-eye visibility. Catch it while you can! The post Nova in Cassiopeia Brightens Suddenly appeared first on Sky & Telescope.
Read MoreIn Search of Ancient Suns
We track down and admire five of the most ancient stars in the universe. The post In Search of Ancient Suns appeared first on Sky & Telescope.
Read MoreWhat’s Inside Neutron Stars?
Size measurements of two neutron stars have narrowed down what kinds of exotic matter might exist in their extremely dense cores. The post What’s Inside Neutron Stars? appeared first on Sky & Telescope.
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