Tag
#x-ray astronomy
2 articles
Science & Space
Indian Astronomers Combined 39 Chandra, XMM-Newton and Swift Observations Taken Over 24 Years of NGC 4490 ULX-8, a Bright X-ray Source Roughly 25 Million Light Years Away, and Find It Fits a Stellar-Mass Black Hole Feeding at or Near the Eddington Limit
Nov 6, 2026
Science & Space
AstroSat, Launched on 28 September 2015 With Five Instruments, Has Worked for a Decade, Caught Extreme-Ultraviolet Light From a Galaxy 9.3 Billion Light Years Away and Measured X-ray Polarisation From the Crab Pulsar
Oct 27, 2026