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Galaxies galore!

This #HubbleClassic image shows Abell 1689, which is one of the most massive clusters of galaxies known to exist.

Abell 1689 is made up of so much matter that it warps light traveling to us from objects located behind the galaxy cluster: https://go.nasa.gov/3j1NTFe
#Hubble

Galaxy Abell 1689's "Gravitational Lens" Magnifies Light of Distant Galaxies

HubbleSite.org
#hubbleclassic #hubble
in reply to NASA

Pupito
Pupito
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Is the space between galaxies in galaxy clusters expanding or contracting?

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