Mitigation of Hazardous Comets and Asteroids – Belton et al

My next suggestion for your local college library donation to help as reference material or textbooks for Chelyabinsk-inspired students is Mitigation of Hazardous Comets and Asteroids by Belton et al. This 17-chapter technical book’s papers concentrate on the physics and engineering of how to prevent impacts, rather then on impact effects.

For instance, the papers I intend to read or reread first are: Chapter 2 – Earth impactors: orbital characteristics and warning times, Chesley & Spahr; Chapter 6 – About deflecting asteroids and comets, Holsapple; Chapter 9 – Mitigation technolgies and their requirements, Gritzner & Kahle;  and Chapter 13 – Optimal interception and deflection of Earth-approaching asteroids using low-thrust electric propulsion, Scheeres.

And this is where having an existing space construction infrastructure would come in, as Chris Lewicki, Chief Asteroid Miner at Planetary Resources, and David Gump, CEO at Deep Space Industries, have pointed out in numerous interviews. With multiple copies of various modules – hab, lab, propulsion, storage/shielding (water), etc – in use, and with the ability to rapidly print more modules from asteroid metals and lunar titanium, we will have more options for deflection. For example, fuel depots, using icesteroids and lunar-pole ice as storage sources, will give between one to two orders of magnitude more immediately available velocity change (fuel). But this would take a minimum of 20 to 40 years to create.

The amazon link to the 2011 paperback reissue of the 2004 Cambridge University Press hardback (436 pages, U$58 for the paperback, U$185 for the hardback):
Mitigation of Hazardous Comets and Asteroids by Belton et al.


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