Question

method that are proposed to prevent asteroid,meteoroids or comets striking the earth

Answer 1

Answer:

Asteroid gravity tractor

Explanation:

The Asteroid Redirect Mission vehicle was conceived to demonstrate the "gravity tractor" planetary defense technique on a hazardous-size asteroid. The gravity-tractor method leverages the mass of the spacecraft to impart a force on the asteroid, slowly altering the asteroid's trajectory.

Answer 2

Answer:

The Asteroid Redirect Mission vehicle was conceived to demonstrate the "gravity tractor" planetary defense technique on a hazardous-size asteroid. The gravity-tractor method leverages the mass of the spacecraft to impart a force on the asteroid, slowly altering the asteroid's trajectory.