Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff."

James Webb Space Telescope's view of 800,000 galaxies paints a detailed picture of dark matter

Source: space
Source Link: https://www.space.com/astronomy/dark-universe/james-webb-space-telescopes-view-of-800-000-galaxies-paints-a-detailed-picture-of-dark-matter