By-srushti sharma
A team of scientists utilised the Hubble Space Telescope and a challenging method to find an elusive galaxy that is 11 billion years old.
They looked for the light this realm absorbed rather than the light it emitted. Astronomers typically use the light that galaxies' stars emit to observe them.
Galaxies emit light waves that can be seen throughout the entire electromagnetic spectrum, and different telescopes may observe these cosmic objects in a variety of light wavelengths
Due to their extreme brightness, quasars often obscure our view of foreground galaxies when they are directly behind a galaxy.
This makes trying to see an absorbing galaxy with its own light output from the ground similar to trying to spot a firefly sitting on the lamp of a lighthouse.
Although the light from the recently discovered, 11 billion year old absorbing galaxy has not yet been recognised, the absorption patterns this object has revealed are astounding.
This galaxy is viewed as it was when our 13.8 billion year old universe was just about 3 billion years old.
In addition, the scientists discovered that the galaxy has a brilliant twin. The team also believes that because that galaxy and the absorber galaxy are so close to one another and appear to be gravitationally connected.
This indicates that the two galaxies likely formed a galaxy group comparable to the local group in which the Milky Way is located at some point after they were first observed.