Two photographs. Two planets. One picture was taken near Husband Hill on Mars, the other was taken in the desert, somewhere South of Morocco. Click on the image for a larger version to peruse. So what do you think? There are no clouds. You might look at the sky colour, but that can be deceptive. Is that haze near the horizon mist, or is it dust in the air?
Actually, the one on the left is Earth. Morocco evidently does a rather good Mars impersonation…
Earth image credit: Filipe Alves
With a tip of the hat to APOD