A glimpse into the time before quasars were born
The curve shows how the space density of quasars has evolved, from the Big Bang (cosmic time = 0) to the present day.
Credit:ESO
About the Image
| Id: | eso9641a |
| Type: | Chart |
| Release date: | 28 November 1996 |
| Related releases: | eso9641 |
| Size: | 1016 x 808 px |
