Rogue, free-floating planets appear to have two distinct origins. Most of the exoplanets we’ve discovered have been in relatively tight […]
Category: astronomy
The $4.3 billion space telescope Trump tried to cancel is now complete
“We’re going to be making 3D movies of what is going on in the Milky Way galaxy.” Artist’s concept of […]
Planned satellite constellations may swamp future orbiting telescopes
On Wednesday, three NASA astronomers released an analysis showing that several planned orbital telescopes would see their images criss-crossed by […]
Formation of oceans within icy moons could cause the waters to boil
Skip to content A rigid ice shell over a shrinking interior makes for pressures low enough to boil. Our exploration […]
Runaway black hole mergers may have built supermassive black holes
The researchers used cosmological simulations to recreate the first 700 million years of cosmic history, focusing on the formation of […]
New black hole merger bolsters Hawking area theorem
Skip to content a black hole hunting machine Physicists spliced merger’s gravitational signal into isolated frequencies to determine surface areas. […]
There could be “dark main sequence” stars at the galactic center
Dark matter particle and antiparticle collisions could make some stars immortal. For a star, its initial mass is everything. It […]
Merger of two massive black holes is one for the record books
Physicists with the LIGO/Virgo/KAGRA collaboration have detected the gravitational wave signal (dubbed GW231123) of the most massive merger between two […]
New evidence that some supernovae may be a “double detonation”
Skip to content It may be possible to blow up a white dwarf before it reaches a critical mass. Type […]
Simulations find ghostly whirls of dark matter trailing galaxy arms
“Basically what you do is you set up a bunch of particles that represent things like stars, gas, and dark […]