Betelgeuse's 'Great Dimming' had an unlikely observer: a Japanese weather satellite - Space.com

Japan's Himawari-8 weather satellite serendipitously captured the dramatic changes in brightness of Orion's red supergiant star in 2019-2020.

Astronomers have a new way to study stars: take advantage of meteorological satellites orbiting Earth.  That's the conclusion of a new paper that presents new data from a Japanese weather satellite … [+7348 chars]

full article...