Window on The Sky: Chandra X-ray Observatory

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Spinning black holes across the cosmic sea caught on X-rays

by José Joaquin Galánviernes, julio 05, 2019

Quasar HE0435. Credit: NASA/CXC/Univ. of Oklahoma/X. Dai et al. Like whirlpools in the ocean, spinning black holes in space creat...Read More

Astronomy Binary Star Chandra X-ray Observatory Neutron Star X-Rays

Stellar winds, the source material for the universe, are clumpy

by José Joaquin Galánsábado, febrero 02, 2019

Illustration of a high-mass X-ray binary system made up of a compact, incredibly dense neutron star paired with a massive 'normal...Read More

Astronomy Cassiopeia A Chandra X-ray Observatory Supernova VR

Stepping inside a dead star, supernova remnant Cassiopeia A

by José Joaquin Galándomingo, diciembre 30, 2018

Stepping inside a dead star, supernova remnant Cassiopeia A. Credit: NASA/CXC/SAO Cassiopeia A, the youngest known supernova remnan...Read More

Astronomy Chandra X-ray Observatory ESA Galaxy Cluster Perseus

An ancient Cold Front in Perseus

by José Joaquin Galánlunes, octubre 29, 2018

A gigantic cold front in the Perseus galaxy cluster has been observed by a trio of X-ray telescopes. The ancient cold front can ...Read More

Astronomy Chandra X-ray Observatory NASA

Chandra Operations Resume After Cause of Safe Mode Identified

by José Joaquin Galánmiércoles, octubre 17, 2018

Illustration of the Chandra X-ray Observatory in Earth orbit. Credits: NASA Oct. 15 Update: The cause of Chandra's safe mode...Read More

Astronomy Chandra X-ray Observatory X-Rays

NASA Extends Chandra X-Ray Observatory Operations

by José Joaquin Galánlunes, octubre 01, 2018

An artist’s illustration of the Chandra spacecraft. NASA/CXC/NGST NASA has awarded a contract extension to the Smithsonian Astrop...Read More

Astronomy Black Hole Chandra X-ray Observatory Galaxy NASA Neutron Star X-Ray

Cosmic Collision Forges Galactic “One Ring” in X-rays

by José Joaquin Galánmiércoles, septiembre 12, 2018

Astronomers have used NASA's Chandra X-ray Observatory to discover a ring of black holes or neutron stars in a galaxy 300 million ...Read More

Chandra X-ray Observatory Diffuse Nebula NASA Nebula

Diffuse nebula NGC 6357 seen by Chandra

by José Joaquin Galánsábado, diciembre 24, 2016

NGC 6357 is a diffuse nebula near NGC 6334 in the constellation Scorpius . The nebula contains many proto-stars shielded by dark ...Read More

Chandra X-ray Observatory Image of the Day Supernova Universe

A Supernova erased from the Pages of History

by José Joaquin Galánviernes, agosto 19, 2016

Image credit: X-ray: NASA/CXC/NCSU/K. Borkowski et al; Optical: DSS A new look at the debris from an exploded star in our galaxy has ...Read More

Black Hole Chandra X-ray Observatory COSMOS field NuSTAR X-Ray

A Black Hole ‘Choir’

by José Joaquin Galánmiércoles, agosto 03, 2016

The blue dots in this field of galaxies, known as the COSMOS field, show galaxies that contain supermassive black holes emitting high-ener...Read More

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Breaking News

Spinning black holes across the cosmic sea caught on X-rays

Stellar winds, the source material for the universe, are clumpy

Stepping inside a dead star, supernova remnant Cassiopeia A

An ancient Cold Front in Perseus

Chandra Operations Resume After Cause of Safe Mode Identified

NASA Extends Chandra X-Ray Observatory Operations

Cosmic Collision Forges Galactic “One Ring” in X-rays

Diffuse nebula NGC 6357 seen by Chandra

A Supernova erased from the Pages of History

A Black Hole ‘Choir’

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