For example, how did we determine that Allan Hills 84001 came from Mars and not anywhere else? Not even a Mars-like planet in a nearby solar system? How?
On the bottom of the rock, it was stamped "Made on Mars".
How does this effect the Drake equation? Sure, it would alter an input, but that's hardly annihilation.
Well, it's a bit of a problem with Ludwig von Drake - when people start questioning his numbers, he gets frustrated easily, steam blows out his ears, and he has a tendency to either grab his papers carelessly and run around them, tear them up in anger, or start babbling like a madman and eat them...
What this country needs is a dime that will buy a good five-cent bagel.
