One, or two? One, or two?
Two. One to take out the bulb and drop it, and the other to try and sell it before it crashes.
Look for only $87 billion we can put up this chain of fluorescent satellites that will illuminate the whole planet.
There's really no sure way to know.
Three. One to change it while the other two argue about how old the old one is.
An optical Aleutian.