Hubble Astronomers Use Supernovae to Gauge Power of Cosmic Lenses
Distant exploding stars observed by NASA’s Hubble Space Telescope are providing astronomers with a powerful tool to determine the strength of naturally-occurring “cosmic lenses” that are used to magnify objects …
Overview: Chandra X-ray Observatory
The Chandra X-ray Observatory is part of NASA’s fleet of “Great Observatories” along with the Hubble Space Telescope, the Spitizer Space Telescope and the now deorbited Compton Gamma Ray Observatory. Chandra allows scientists from around the …
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