Stanley Love
Stanley Love
angle bank change changing early effect large shot
It's like changing the angle of a bank shot in pool. A little change early on has a large effect down the line.
earth gravity maintain miss using year
By using gravity as your tow line, you can sidle up to an asteroid. Maintain it for a year and that should give it enough nudge to miss the earth 20 years later.
adjust gradually hang spacecraft
You just want to hang there and let the spacecraft gradually adjust the asteroid's course.
asteroid debris flying land pile rock saves spinning trying
This saves you from having to land on the asteroid and then trying to stabilize yourself on a flying pile of rock and debris which is spinning all the time.
asteroid few handle potential threat watch
We know enough about this asteroid to know it is a potential threat but we still have a few more years to watch this thing and get a better handle on what it is going to do.