[SpinnerWebb]

Here’s a Science Fiction thriller for you...

Wouldn’t it be ironic if Philae caused *just* enough disturbance to push the comet into a collision course with Earth in, say, 30 years or so?

[Calvin Locke]

That'd make a SyFy low budget movie, but don't most comets end by being sucked into the Sun? I lost count of how many SOHO both found and/or watched plummet.

Unless you're going with the Tunguska dead comet theory. Or possibly Shoemaker-Levy 9?