Brown Dwarf
Webb Maps the Weather on the Closest Brown Dwarfs to Earth
James Webb Space Telescope (JWST) has done it again. A team of astronomers have used it to map the weather…
A Cold Brown Dwarf is Belching Methane Into Space
Brown dwarfs span the line between planets and stars. By definition, a star must be massive enough for hydrogen fusion…
Brown Dwarf Pairs Drift Apart in Old Age
The only thing worse than drifting through space for an eternity is doing it alone. Observations with the Hubble Space…
Brrr. JWST Looks at the Coldest Brown Dwarf
What are the atmospheric compositions of cold brown dwarf stars? This is what a recent study published in The Astronomical…
A Solo Brown Dwarf Found With Auroras
Astronomers have used JWST to find a brown dwarf with polar auroras like the Earth, or Jupiter. This is surprising…
JWST Accidentally Found 21 Brown Dwarfs
When you launch humanity's most powerful telescope, you expect results. The JWST has delivered excellent results by detecting ancient galaxies,…
This Brown Dwarf is 2,000 Degrees Hotter Than the Sun
Astronomers have discovered an intense binary star system located about 1,400 light years away. It contains a brown dwarf with…
Your Oven Gets Hotter Than This Star
Astronomers have an ultracool star that only has a surface temperature of 425 degrees centigrade, cooler than the cleaning cycle…
An Astronomical First! A Radiation Belt Seen Outside the Solar System
For the first time, a team of astronomers has imaged the radiation belt of an object from beyond the Solar…
NASA Provides a Timelapse Movie Showing How the Universe Changed Over 12 Years
The Universe is over 13 billion years old, so a 12-year slice of that time might seem uneventful. But a…