A superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational waves, ...
Morning Overview on MSN
Cosmic blast looked like a kilonova, now it’s a superkilonova riddle
A strange flash in a distant galaxy first looked like a familiar kind of stellar wreckage, the radioactive afterglow of ...
A puzzling cosmic blast detected in both light and gravitational waves may hint at a previously unseen type of explosion, ...
Morning Overview on MSN
First “superkilonova” double-star blast leaves astronomers stumped
A strange cosmic blast that lit up the sky in two distinct acts is forcing astronomers to rethink how stars live and die. The event, tagged AT2025ulz, appears to be the first known case where a ...
A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a superkilonova.
Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.
It’s challenging to make predictions, especially in astronomy. There are however, a few forecasts astronomers can depend on, such as the timing of upcoming lunar and solar eclipses and the clockwork ...
Isotope ratios found in meteorites suggest that a supernova exploded nearby while the Sun and Solar System were still forming. But the blast wave from a supernova that close could have potentially ...
Some 350 years after a supernova, its shockwave reaches interstellar space and causes clouds of gas and dust to glow. Scientists have probed the remains of a star that died in a violent supernova and ...
Astronomers are winding back the clock on the expanding remains of a nearby, exploded star. By using NASA’s Hubble Space Telescope, they retraced the speedy shrapnel from the blast to calculate a more ...
If the Sun was born in a relatively compact open cluster (half-mass radius ~3pc) with ~10^3 stars, it is quite likely that a massive (>10MSun) star was nearby when it exploded in a supernova. The ...
The Ursa Major Arc is about 600 light years away and encircles the Big Dipper (part of Ursa Major the Great Bear), and portions of the Little Dipper, Draco and Canes Venatici. The faint arc requires ...
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