Questions about stellar objects which are too faint to observe with faint naked eye or even too far away for Earth-bound telescopes.
In its 1968 definition of deep-sky according to Merriam Webster reads
relating to or existing in space outside the solar system deep-sky objects
The term got famous due to the Hubble Deep Field survey in 1995, see also hubble-telescope.
|
created |
7 years, 9 months ago |
|
viewed |
3 times |
|
active |
5 months ago |
|
editors |
1 |
