Long invisible to astronomers, the newly-discovered molecular cloud is one of the largest single structures in the sky and among the closest to the Sun...
This supernova event likely occurred in the Upper Centaurus Lupus association, a group of massive stars approximately 457 light-years away from Earth.
Illustration...
Cold, dense clouds in the interstellar medium of our Milky Way Galaxy are around four-five orders of magnitude denser than their diffuse counterparts....
The aftermaths of supernovae always produce X-rays, but if the supernova’s blast wave strikes dense surrounding gas, it can produce a particularly large...
Space Telescope Science Institute astronomer and data visualization expert Dr. Catherine Zucker and her colleagues have shown how a chain of events beginning...
