It may not reach other planets, but the smelloscope from Futurama exists and it's called the Nasal Ranger Field Olfactometer. And it seems Denver is using it to hunt down pot plantations.
Colorado's newly legalized marijuana industry has had an unforeseen dark side: pungent dankness running wild on the noses of innocent citizens. Only a mechanical hero could save them. Call in the Nasal Ranger.