supernova remnants
A new Hubble Image Reveals a Shredded Star in a Nearby Galaxy
The Hubble Space Telescope, to which we owe our current estimates for the age of the universe and the first…
1 year ago
Quick Action Let Hubble Watch the Earliest Stages of an Unfolding Supernova Detonation
If it weren't for supernova remnants we wouldn't have much knowledge of supernovae themselves. If a supernova explosion is the…
2 years ago
Dead Planets Around White Dwarfs Could Emit Radio Waves We Can Detect, Sending Out Signals for Billions of Years
A new study by a pair of astronomers has shown that planets orbiting white dwarfs will still be emitting radio…
5 years ago
This Star Has Been Going Nova Every Year, for Millions of Years
A nova star is like a vampire that siphons gas from its binary partner. As it does so, the gas…
5 years ago
All-Sky Radio Image in 60 Seconds, No Moving Parts
[/caption] This image is a software-calibrated image with high signal-to-noise ratio at a frequency of 120 MHz, of the radio…
14 years ago
Sources of Cosmic Rays Found? Fermi Telescope Closes In
The origin of cosmic rays has been a mystery since their discovery nearly a century ago. But new images from…
14 years ago