Gravitational
Lensing
un
seel
.com · spacetime curvature · Einstein ring · deflection
lens mass
10¹³ M☉
deflection
0″
Einstein radius
0″
magnification
1.0×
state
standby
background galaxy (source)
foreground cluster (lens)
bent light / Einstein ring
multiple distorted images
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.com · Gravitational Lensing