Thursday, December 14, 2023

Tiniest free-floating brown dwarf

Brown dwarfs are objects that straddle the dividing line between stars and planets. They form like stars, growing dense enough to collapse under their own gravity, but they never become dense and hot enough to begin fusing hydrogen and turn into a star. At the low end of the scale, some brown dwarfs are comparable with giant planets, weighing just a few times the mass of Jupiter.

from Latest Science News -- ScienceDaily https://ift.tt/JYk19Ml

No comments:

Post a Comment

Astronomers watched a sleeping neutron star roar back to life

Astronomers tracked a decade of dramatic changes in P13, a neutron star undergoing supercritical accretion. Its X-ray luminosity rose and fe...