Galaxy cluster MACSJ1206

This image shows the galaxy cluster MACSJ1206.2-0847. The cluster is so far away, it took the light from the cluster more than 4.5 billion years to reach Earth. But the cluster itself is not even the most distant object in this image. Light from even more distant, high-redshift galaxies arrives at Earth, having been distorted by the gigantic gravitational influence of the intervening cluster. Objects, otherwise faint and tiny, get brighter and are magnified. Sometimes gravitational lensing can even produce multiple images of the object as light is bent in different directions around the foreground cluster.

One of these galaxies is the Cosmic Snake — clearly visible as a stretched object to the right of the central galaxy. This image of the Cosmic Snake is actually composed by four elongated and stretched images of the southern half of the source galaxy.

Link:

Credit:

ESA/Hubble & NASA

About the Image

Id:potw1747b
Type:Observation
Release date:20 November 2017, 06:00
Size:5871 x 4445 px

About the Object

Name:MACSJ1206.2-0847
Type:Early Universe : Galaxy : Grouping : Cluster
Early Universe : Cosmology : Phenomenon : Lensing
Distance:4 billion light years
Constellation:Virgo
Category:Galaxies

Image Formats

Large JPEG
10.3 MB
Screensize JPEG
164.1 KB

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Wallpapers

1024x768
182.5 KB
1280x1024
304.2 KB
1600x1200
460.1 KB
1920x1200
595.8 KB
2048x1536
831.4 KB

Coordinates

Position (RA):12 6 12.06
Position (Dec):-8° 48' 6.22"
Field of view:2.93 x 2.22 arcminutes
Orientation:North is 1.5° right of vertical

Colours & filters

BandWavelengthTelescope
Optical
u
390 nm Hubble Space Telescope
ACS
Optical
G
475 nm Hubble Space Telescope
ACS
Optical
B
435 nm Hubble Space Telescope
ACS
Optical
V
606 nm Hubble Space Telescope
ACS
Optical
r
625 nm Hubble Space Telescope
ACS
Optical
i
775 nm Hubble Space Telescope
ACS
Optical
z
850 nm Hubble Space Telescope
ACS
Optical
I
814 nm Hubble Space Telescope
ACS
Infrared
H
1.6 μm Hubble Space Telescope
WFC3
Infrared
J/H
1.4 μm Hubble Space Telescope
WFC3
Infrared
J
1.25 μm Hubble Space Telescope
WFC3
Infrared
J
1.1 μm Hubble Space Telescope
WFC3
Infrared
Z
1.05 μm Hubble Space Telescope
WFC3

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