News tagged with stars

Ultra-luminous X-ray sources in starburst galaxies

Ultra-luminous X-ray sources (ULXs) are point sources in the sky that are so bright in X-rays that each emits more radiation than a million suns emit at all wavelengths. ULXs are rare. Most galaxies (including ...

dateDec 22, 2014 in Astronomy
shares0 comments 0

Effects of accretion disks around newborn stars

Stars are born in dense, cool clouds of molecular gas and dust. When the local density is high enough, the matter can gravitationally collapse to form a new star, a so-called young stellar object (YSO). In ...

dateDec 08, 2014 in Astronomy
shares0 comments 1

Dusty substructure in a galaxy far far away

Scientists at the Max Planck Institute for Astrophysics (MPA) have combined high-resolution images from the ALMA telescopes with a new scheme for undoing the distorting effects of a powerful gravitational ...

dateApr 01, 2015 in Astronomy
shares90 comments 1

Supernova ignition surprises scientists

Scientists have captured the early death throes of supernovae for the first time and found that the universe's benchmark explosions are much more varied than expected.

dateMay 20, 2015 in Astronomy
shares527 comments 3

Image: Hubble sweeps a messy star factory

This sprinkle of cosmic glitter is a blue compact dwarf galaxy known as Markarian 209. Galaxies of this type are blue-hued, compact in size, gas-rich, and low in heavy elements. They are often used by astronomers ...

dateDec 22, 2014 in Astronomy
shares0 comments 0