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   Corey S Powell (coreyspowell@mastodon.social)'s status on Monday, 18-Nov-2024 01:38:50 JST Corey S Powell

   Astronomers have just discovered the first known "Einstein zigzag."

   Due to a rare, lucky cosmic alignment, the combined gravity of two galaxies bent light like spaghetti & split a distant quasar into six different images.

   This six-part image could allow a very accurate measure of the expansion of the universe.

   https://www.science.org/content/article/first-known-double-gravitational-lens-could-shed-light-universe-s-expansion #science #space #astronomy #physics