You are given a sentence in Spanish. Your job is to translate the Spanish sentence into English.

Dificiles de ver, y el cielo es enorme.
They're hard to see, and the sky is really big.

Podemos escribir todas las leyes de la fisica que sabemos en una sola linea
We can write down all the laws of physics we know in one line.

Estan alli.
They're in there.