Thursday, October 1, 2026

NASA's Hubble Marks its 200,000th Orbit by Watching Lensed Supernova

An image from NASA's Hubble Space Telescope of the galaxy cluster MACS J0417, part of repeated observations to monitor for the reappearance of supernova Athena. Credit: NASA/ESA/STScI/UCLA

NASA’s Hubble Space Telescope completed its 200,000th orbit around Earth on Sept. 19th and marked this milestone with observations that could help refine astronomers' measurements of cosmic expansion (aka. the Hubble Constant).



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