Cosmic blobs are immense reservoirs of hydrogen gas located in the early Universe. Black holes and star formation have been observed in cosmic blobs.
The glow of cosmic blobs in optical light had remained a mystery for the astronomers but with the help of telescopes such as Chandra X-ray Observatory,Spitzer Space Telescope and Hubble they have found that the source of power is coming from growing supermassive black holes and from newly forming stars.
