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Weak Gravitational Lensing

Weak Gravitational Lensing

Weak Gravitational Lensing

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Dark Matter Ring<br />

•Strong and weak<br />

lensing<br />

•Dark matter and<br />

baryonic matter<br />

displaced, like in<br />

bullet cluster<br />

•Due to a collision 1-<br />

2 Gyr ago<br />

•Only possible with<br />

high resolution and<br />

high surface density<br />

of HST<br />

Jee et al 2007

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