ESA and NASA Will Try to Smash an Asteroid Out of Its Orbit in 2022 - IEEE Spectrum
The odds of you personally getting killed by an asteroid are not that high: About 1 in 75,000 seems to be a reasonably accurate number based on available data. The thing about asteroids, though, is that while it’s very unlikely that Earth is going to be hit by one capable of doing significant damage, if it does happen, it’s going to trigger bad times for a lot of people—millions, if not billions. That 1 in 75,000 means that you’re almost twice as likely to die from a globally destructive asteroid impact as you are from either an earthquake or a lightning strike.
Does this mean we should panic? I mean, sure, go ahead, if you’ll feel better afterwards. But really, what it means is this: if we can agree that it makes sense to allocate resources towards reducing the risk of people getting killed by things in proportion to the likelihood of those things actually occuring, then asteroid detection and intervention is definitely worth our attention. Probably more so than some other things. Like terrorism. But I digress.
The European Space Agency and NASA have a good understanding of the importance of finding and (hopefully) avoiding asteroids, and they’re joining forces on an Asteroid Impact & Deflection Assessment mission called AIDA. The objective of this mission is awesome: to slam a spacecraft into an asteroid with as much force as possible, and see what happens.