Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  NGC 3079
Twin Quasar - Gravitational Lens - Ursa Major, Steve Smith
Twin Quasar - Gravitational Lens - Ursa Major
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Twin Quasar - Gravitational Lens - Ursa Major

Twin Quasar - Gravitational Lens - Ursa Major, Steve Smith
Twin Quasar - Gravitational Lens - Ursa Major
Powered byPixInsight

Twin Quasar - Gravitational Lens - Ursa Major

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Description

The double image of QSO 0957+561 is created by an intervening mass concentration between the earth and the quasar (Galaxy YGKOW G1) which bends the light from the quasar creating two images of the object. The time of arrival of the light from the two images differs by 417 days.

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Twin Quasar - Gravitational Lens - Ursa Major, Steve Smith