Modern Engineering Marvels on MSN
Quasar light signature shift challenges cosmic distance ruler
Confirming a non-universal X-ray-to-ultraviolet relation with cosmic time is quite surprising and challenges our ...
On June 22, 2025, NASA’s Hubble Space Telescope reached a remarkable milestone—its 100,000th exposure, capturing an image of a quasar located 9 billion light-years away. The image, taken with Hubble’s ...
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