Recent content by Novitas

[In the public policy sphere, global climate change comes down to one question: Does it make more sense to deploy scarce resources to abate the supposed causes of global climate change or does it make more sense to deploy those resources to deal with consequences of global climate change if...

The more quickly an asteroid is discovered that threatens Earth, the better. It takes relatively little delta-V to cause it to miss Earth. Recently someone proposed attaching a low but continuous thrust engine to such asteroids as a way of protecting the home planet in the event one were...

Actually, I don't think it is clear that breaking up a larger asteroid into smaller ones is a bad things. For one thing, in such a case, not all of the pieces would necessarily hit the Earth, and those that do would probably do so in geographically disparate areas. Breaking the asteroid up...