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Gravitational Lensing

Gravitational Lensing


Depicts: Gravitational lensing
Copyright: NASA, ESA, Andrew Fruchter (STScI), and the ERO team (STScI + ST-ECF)

Just as a wanderer in the desert can experience mirages, when light from remote objects is bent by the warm air hovering just above the sand, we may also see mirages in the Universe. The mirages we see with a modern telescope like the Hubble Space Telescope do not arise from oases, but instead from remote clusters of galaxies - huge concentrations of mass.
Last Update: 1 September 2019
20-Sep-2020 17:38 UT

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