| ▲ | cenamus 3 days ago | |
> 10–10^3 photons cm^–2 s^–1 So probably invisible but under the very darkest of conditions? | ||
| ▲ | ricardobeat 3 days ago | parent [-] | |
Visible refers to being in the visible spectrum. | ||
| ▲ | cenamus 3 days ago | |
> 10–10^3 photons cm^–2 s^–1 So probably invisible but under the very darkest of conditions? | ||
| ▲ | ricardobeat 3 days ago | parent [-] | |
Visible refers to being in the visible spectrum. | ||