Galaxy cluster Abell 1689

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Zoom in to the galaxy cluster Abell 1689. This is one of the largest and most massive galaxy clusters known. At the end of the animation, the distribution of dark matter is shown by a purple cloud. This was calculated by studying the effects of the cluster's gravity on the light from more distant galaxies beyond the cluster. The region contains several examples of gravitational lensing, where background objects appear distorted as their light is bent by the gravity of the cluster. Abell 1689 lies around 2.2 billion light years from Earth in the constellation Virgo.<br>Restrictions:
Licence :	Droits gérés
Crédit :	Science Photo Library / HUBBLE / ESA / LARS LINDBERG CHRISTENSEN / DAVIDE DE MARTIN / J-P. KNEIB (LAM) / P. NATARAJAN (YALE) / LAM) / E. JULLO (JPL / DIGITIZED SKY SURVEY 2 / ESO / NASA
Model Release :	Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation.
Property release :	Non requis
Durée :	49 Secondes
Aspect ratio :	16/9
Restrictions :	This clip may not be used by or to promote the arms, nuclear power or tobacco industries or any religious organisation, or in any discriminatory way, or to imply the endorsement by ESO of any product, service or activity

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