supernova remnant

These Three Neutron Stars Shouldn't Be So Cold

Neutron stars are among the densest objects in the Universe, second only to black holes. Like black holes, neutron stars…

2 weeks ago

First Light from Einstein Probe: A Supernova Remnant

On 9 January 2024, the Einstein probe was launched, its mission to study the night sky in X-rays. The first…

3 months ago

This Supernova Lit Up the Sky in 1181. Here’s What it Looks Like Now

Historical astronomical records from China and Japan recorded a supernova explosion in the year 1181. It was in the constellation…

4 months ago

This is a 1.3 Gigapixel Image of a Supernova Remnant

Stars more massive than the Sun blow themselves to pieces at the end of their life. Usually leaving behind either…

4 months ago

Japan’s New X-Ray Observatory Sees First Light

XRISM, the X-ray Imaging and Spectroscopy Mission, is a joint NASA/JAXA mission led by JAXA. The X-ray space telescope began…

6 months ago

JWST Delivers A Fantastic New Image Of Supernova Remnant Cassiopeia A

Astronomy is all about light. Sensing the tiniest amounts of it, filtering it, splitting it into its component wavelengths, and…

7 months ago

Webb’s Infrared Eye Reveals the Heart of the Milky Way

The JWST is taking a break from studying the distant Universe and has trained its infrared eye on the heart…

8 months ago

An Amateur Astronomer Discovered One-of-a-Kind Supernova Remnant

In 2013, amateur astronomer Dana Patchick was looking through images from the Wide-field Infrared Survey Explorer archive and discovered a…

8 months ago

Astronomers Have Been Watching a Supernova’s Debris Cloud Expand for Decades with Hubble

Twenty thousand years ago, a star in the constellation Cygnus went supernova. Like all supernovae, the explosion released a staggering…

10 months ago

The Dark Energy Camera Captures the Remains of an Ancient Supernova

The first written record of a supernova comes from Chinese astrologers in the year 185. Those records say a 'guest…

1 year ago