Day and night at the same time. The terminator is a moving line that divides the daylit side and the dark night side of a planetary body. When you're along it at sea, the absence of orographic features facilitates this. [📹 SeaChefGarry]

Here you go, let me zoom out a bit.

this is breaking my small brain because on one side the sun is setting and illuminating the sky….. yet on the other side the moon is being illuminated high up in the sky by the very same sun… how 🤯

A planet's "terminator" or "twilight zone" A planet terminator is the shifting line between its lighted dayside and dark nightside. The terminator glides across the body, changing day and night.

Also observable on flights, never knew it was called the terminator!

I read The Terminator - I hear the music from Tech-Noir

From 41,000 feet

@TheFlatEartherr

I'd like to see flat earthers explain that one.