Merging galaxies in the distant Universe through a gravitational magnifying glass

The NASA/ESA Hubble Space Telescope and many other telescopes on the ground and in space have been used to obtain the best view yet of a collision that took place between two galaxies when the Universe was only half its current age. The astronomers enlisted the help of a galaxy-sized magnifying glass to reveal otherwise invisible detail.

These new studies of the galaxy H-ATLAS J142935.3-002836 have shown that this complex and distant object looks surprisingly like the well-known local galaxy collision, the Antennae Galaxies.

In this picture, which combines views from Hubble and the Keck-II telescope on Hawaii (using adaptive optics), you can see a foreground galaxy that is acting as the gravitational lens. The galaxy resembles how our home galaxy, the Milky Way, would appear if seen edge-on. But around this galaxy there is an almost complete ring — the smeared out image of a star-forming galaxy merger far beyond.

Credit:

NASA/ESA/ESO/W. M. Keck Observatory

About the Image

Id:heic1417a
Type:Observation
Release date:26 August 2014, 18:00
Related releases:heic1417
Size:612 x 612 px

About the Object

Name:H-ATLAS J142935.3-002836
Type:• Early Universe : Galaxy : Type : Gravitationally Lensed
• X - Cosmology Images/Videos

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BandTelescope
Infrared
H
Keck II
Infrared
f110w
Hubble Space Telescope
WFC3
Infrared
K
Keck II

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