Yes! Space-based laser ablation looks very promising to me. Though few are actively developing such capability. Basic idea is to direct a laser to the asteroid

Yes! Space-based laser ablation looks very promising to me. Though few are actively developing such capability. Basic idea is to direct a laser to the asteroid surface. That would hopefully create a jet plume from vaporizing matter that will act as a propulsion system to steer its course a few degrees away from earths orbit. DE-STARLIE: Effective Planetary Defense Using Directed Energy Because our planet is itself a relatively hard target to hit, we could be talking about an event that only occurs once every billion years ;) 8 Billion Asteroids In The Oort Cloud https://watermark.silverchair.com/stu2267.pdf https://watermark.silverchair.com/stu2267.pdf