Gravitational Lensing
Just as a wanderer in the desert can experience mirages, when light from remote objects is bent by the warm air hovering just above the sand, we may also see mirages in the Universe. The mirages we see with a modern telescope like the Hubble Space Telescope do not arise from oases, but instead from remote clusters of galaxies - huge concentrations of mass.
Credit:About the Image
| Id: | heic9910c |
| Type: | Collage |
| Release date: | 24 January 2000, 15:00 |
| Related releases: | heic9910 |
| Size: | 2809 x 2122 px |
About the Object
| Name: | Abell 2218 |
| Type: | Early Universe : Galaxy : Type : Gravitationally Lensed Early Universe : Galaxy : Grouping : Cluster |
| Distance: | z=0.17 (redshift) |
| Category: | Galaxies |
Colours & filters
| Band | Wavelength | Telescope |
|---|---|---|
| Optical B | 450 nm |
Hubble Space Telescope
WFPC2 |
| Optical V | 606 nm |
Hubble Space Telescope
WFPC2 |
| Infrared I | 814 nm |
Hubble Space Telescope
WFPC2 |