Moonlet Changes Coarse News Today

The earth and not set to hit the earth in the near future. that makes them an appropriate target. >> reporter: dart will then deliberately crash into the moonlet to try to jolt if from its regular orbit. scientists will use satellite imagery and ground based telescopes to see how much the moonlet changes coarse. >> if one day an asteroid is discovered an a collision course with ether well have an idea how fast its coming and when it will hit, that kind of information well have an idea how much m...