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The GOODS-South field
This composite image of the GOODS-South field — the result of an extremely deep survey using two of the four giant 8.2-metre telescopes composing ESO’s Very Large Telescope (VLT) and a unique custom-built filter — shows some of the faintest galaxies ever seen. It also allows astronomers to determine that 90% of galaxies whose light took 10 billion years to reach us have gone undiscovered.
The image is based on data acquired with the FORS and HAWK-I instruments on the VLT. It shows in particular two varieties of light emitted by excited hydrogen atoms, known as Lyman-alpha and H-alpha.
Credit:
ESO/M. Hayes
About the Image
| Id: | eso1013a |
| Type: | Observation |
| Release date: | 24 March 2010, 19:00 |
| Related releases: | eso1013 |
| Size: | 1787 x 1787 px |
About the Object
| Name: | GOODS South field |
| Type: | • Early Universe : Galaxy : Grouping : Cluster • Galaxy Clusters |
| Distance: | z=2.2 (redshift) |
Coordinates
Colours & filters
| Band | Telescope |
| Optical Ly-alpha |
Very Large Telescope FORS1 |
| Optical H-alpha |
Very Large Telescope HAWK-I |
Images
Wallpapers
