Earthbound

Once the asteroids are spotted and their orbits determined, an earthbound asteroid can be nudged slightly off course with a satellite deflector or a high velocity projectile, or blown up with nuclear weapons, causing it to miss its deadly rendezvous.

"Music, Smiley, music! Now the vibrations should be better." "The higher spirits cannot reach earth-bound folk," said Mailey.

[B]ut only too often séances degenerate into pure sorcery or necromancy, attracting all kinds of undeveloped and earth-bound entities.