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Cambridge, MA – Since Galileo first pointed a telescope at the sky 400 years ago, a myriad of technological advances have allowed astronomers to look at very faint objects, very distant objects, and ...
The bizarre, grinch-like wisp of green light dubbed the Green Monster, first seen last year snaking through the glowing remnants of an exploded star, belongs to a blast wave bordering the debris field ...
Last April, NASA's James Webb Space Telescope (JWST or Webb) photographed the unusual "wall of emission" in front of Cassiopeia A (or Cas A), an expanding shell of hot gas roughly 11,000 light-years ...
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