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Weak gravitational lensing


Date: 05 March 2010
Satellite: Euclid
Depicts: Weak gravitational lensing
Copyright: ESA

Illustration of one of the two primary cosmological probes of Euclid: weak gravitational lensing.

The distribution of dark matter measured from the HST COSMOS survey using weak gravitational lensing. This survey covers an area about 8 times the size of the Moon. Euclid will produce higher resolution 3-D dark matter maps over the entire sky.

(The second Euclid cosmological probe is Baryonic Acoustic Oscillations.)

Last Update: 1 September 2019
16-Feb-2026 10:58 UT

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