Here is the imaginary scenario. The earth is going to be destroyed by a giant meteorite. We will all die and everything will be lost. However, because we know the meteorite is coming, we have an opportunity to place an object, or objects, into a capsule the size of a telephone box and launch it into space. The hope is that at some point, aliens will find the capsule and so at least there will have been some record of our existence.
What would you put in the capsule?