The moonless conditions on the night of the tragedy meant the ship’s Lookouts were unable to see the approaching iceberg until it was too late to avoid collision.
And so, like, what we do as scorpion scientists is we go out at night, usually on a moonless night, because that's when scorpion activity is the highest.
It's actually easier than it sounds to look for scorpions on a moonless night because they have these fluorescent compounds in their exoskeletons and they glow under UV light.
If you go outside on a clear, dark, moonless night — and you really should — chances are pretty good that within a few minutes you'll see a shooting star.
Harry was sitting with his forehead pressed against the train window, trying to get a first distant glimpse of Hogwarts, but it was a moonless night and the rain-streaked window was grimy.