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8 July, 07:07

A scientist, using a telescope, sees arcs of light around a galaxy. In 3-5 sentences, explain the cause of the arcs of light.

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  1. 8 July, 08:14
    0
    Answer: Gravitational lensing

    Explanation: The arc that was seen around the galaxy by the scientist was caused by gravitational lensing; this is when a light dip and curves in the presence of huge objects.

    Gravitational lensing can be simply refered to as a phenomenon where a gravitational field is created by a huge matter (cluster of galaxies) in space which distort and magnifies the lights coming from another huge matter (cluster of galaxies) from a distance but on thesame line of sight. (causing a formation of arcs of light around the huge object).
  2. 8 July, 08:27
    0
    Just put the defenition of gravitational lensing
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