Approaching the Universe’s origins

This intriguing image from the NASA/ESA Hubble Space Telescope shows a massive galaxy cluster called PSZ2 G138.61-10.84, about six billion light-years away. Galaxies are not randomly distributed in space, but rather aggregated in groups, clusters and superclusters. The latter span over hundreds of millions of light-years and contain billions of galaxies.

Our own galaxy, for example, is part of the Local Group, which in turn is part of the giant Laniakea Supercluster. It was thanks to Hubble that we were able to study massive galactic superstructures such as the Hercules-Corona Borealis Great Wall; a giant galaxy cluster that contains billions of galaxies and extends 10 billion light-years across — making it the biggest known structure in the Universe.

This image was taken by Hubble’s Advanced Camera for Surveys and Wide-Field Camera 3 as part of an observing programme called RELICS (Reionization Lensing Cluster Survey). RELICS imaged 41 massive galaxy clusters with the aim of finding the brightest distant galaxies for the forthcoming NASA/ESA/CSA James Webb Space Telescope (JWST) to study.

Credit:

ESA/Hubble & NASA, RELICS

About the Image

Id:potw1816a
Type:Observation
Release date:16 April 2018, 06:00
Size:6679 x 6311 px

About the Object

Name:PSZ2 G138.61-10.84
Type:Early Universe : Galaxy : Grouping : Cluster
Distance:6 billion light years
Constellation:Andromeda
Category:Galaxies

Image Formats

Large JPEG
17.2 MB
Screensize JPEG
197.7 KB

Zoomable


Wallpapers

1024x768
186.0 KB
1280x1024
308.7 KB
1600x1200
478.7 KB
1920x1200
632.0 KB
2048x1536
889.1 KB

Coordinates

Position (RA):2 27 6.18
Position (Dec):49° 0' 32.63"
Field of view:3.34 x 3.16 arcminutes
Orientation:North is 12.2° right of vertical

Colours & filters

BandWavelengthTelescope
Optical
B
435 nm Hubble Space Telescope
ACS
Optical
V
606 nm Hubble Space Telescope
ACS
Optical
I
814 nm Hubble Space Telescope
ACS
Infrared
Z
1.05 μm Hubble Space Telescope
WFC3
Infrared
J
1.25 μm Hubble Space Telescope
WFC3
Infrared
J/H
1.4 μm Hubble Space Telescope
WFC3
Infrared
H
1.6 μm Hubble Space Telescope
WFC3

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