3 ms·
Dependent on the refractive index, which depends on air density and temperature and humidity too; and we have to integrate over the region between the horizon a
by wizzwizz4 3y ago
Dependent on the refractive index, which depends on air density and temperature and humidity too; and we have to integrate over the region between the horizon and the upper atmosphere (diagonally, of course)…
- grecy 3y agoHaha, thanks ,yep. I learned all this when I lived in the Yukon and sunset takes about 2 hours...