17 lines
321 B
Markdown
17 lines
321 B
Markdown
# Gravitational lensing
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Strong: separate images or Einstein rings, weak: small distorsions, microlensing: brightness or size shifts, caused buy planets or small stars
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Einstein predicted in 1930
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celestial body
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Spacetime curving
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Galaxy clusters
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Distorts and magnifies the light
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giant magnifying glass
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Doppler effect |