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James Webb Space Telescope images bacteria-size dust grains — they'll likely turn into exoplanets
The James Webb Space Telescope's new image spotlights dust grains in a distant protoplanetary disk, allowing astronomers to ...
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Astronomers Just Found the Biggest Structure in the Universe—And It’s a Cosmic Monster
and how measurements of the Hubble constant might be distorted by massive structures lurking in deep space. Superstructures are massive cosmic formations, consisting of clusters of galaxies and ...