Chandra X-ray Observatory

X-ray Telescope Stellar Observations X-ray Emissions Blanco 4-meter telescope Data Data analysis

NASA Telescopes Unravel Mystery of 'Green Monster' in Supernova Remnant

Combined data from James Webb Space Telescope and Chandra X-ray Observatory reveal unprecedented detail of Cassiopeia A, including unusual 'Green Monster' structure.

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last yr.

NASA Discovers Evidence of Multiple Supernovas in Nearby Galaxy

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last yr.

Hubble Telescope Captures 'Holiday Globe of Stars', NASA Discovers 'Christmas Tree Cluster'