Unfortunately, the very first photo is so obviously faked as to cast a pall of suspicion over the rest.

Crescent Earth: Check

Brilliant flash of sunlight from behind edge of Earth: Check.

Brilliant flash of sunlight from behind edge of crescent earth: Impossible.

Nice try, whomever it was who combined or cooked or whatever it was they did to make this one, but sunlight peeking just over the horizon of a celestial body ain't never gonna bend around and illuminate the far side of that selfsame celestial body to create the effect depicted.

Sigh.