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Einstein Ring
September 11 , 2022
809 days
1513
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- The Mid-Infrared Instrument (MIRI) of the James Webb Space Telescope has captured an image of an almost perfect “Einstein ring”.
- The Einstein ring is also known as the Chwolson ring.
- Einstein Ring phenomenon was first discovered in 1988.
- It is a ring of light created when light from a galaxy, star or other light-emitting cosmic objects passes near a massive object before it reaches the Earth.
- When this happens, gravitational lensing causes the light to get diverted.
- And if the source, lens and the observing element are all in perfect alignment, this light appears as a ring.
- So, the ring itself not a real physical structure in space.
- But just a play of light and gravity, a result of the gravitational lensing effect.
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