ASTRON C10 Lecture Notes - Lecture 18: Impact Winter, Grilling, Atmospheric Circulation
ASTRON C10 verified notes
18/19View all
Document Summary
Collisions : mass extinctions - not all have orbits btwn mars t jupiter . Roughly in the same plane with each other t with earth . Crater is typically to -2011 the diameter of the incoming projectile . Expect one collision per million years , can deflect if we discover it early enough . Send things up there that will gradually deflect by bc over many decades. Co2 because of all impact to broil ) civilization temps rise all over earth coven set. Asteroid km object probable end of asteroid asteroids extinction : 66 mil years ago . Dino extinction by is reasonably the surrounding iron being dense the vaporized. Clay with years ago . layer of on top of iridium . Earth "s crust to the iron acid rain deficient. Proof the core no fossils sank to iron. Earth winter iridium stuck iridium and by dust.
