The aliens on Reconnaissance Craft #19902761 numbered over 26 billion. It was, however, a small vessel, designed like the many others like it for the scouting of planets that possibly held resources necessary for their survival.
19902761 and its crew of 26 billion came upon Earth one day.
"Look at this one, guys, it even has little houses on it," said one of the aliens.
"Okay, that’s enough sightseeing," said another.
The aliens of 19902761 then proceeded to soak up all of the water, lumber, coal, oil, and uranium. It took them six minutes.
"Alright let’s get a move on. 176 more planets to go today," the captain said as he tagged the planet with a moon-sized sign that read CLEARED