Bruce Damer's talk on Asteroids and Comets: Mitigating Impact Risks & Stepping Stones to a Sustainable Space Program (IEET workshop, 2008)

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Asteroids and Comets: (Near Earth Objects, or NEOs) Mitigating Impact Risks & Stepping Stones to a Sustainable Space Program Bruce Damer, DigitalSpace IEET Seminar, 14 Nov, 2008

Q: Where did NEOs come from? A: The very birth of our Solar System!

> 1,000,000 Total by ~2020 > 300,000 Tunguska or larger

Q: Have NEOs shaped life on Earth? A: Yes! The evolution of our biota was uniquely impacted by NEOs.

Q: Could this happen again? A: Yes! Take a look… (thank you Carter Emmart, Hayden Planetarium)

Risk Corridor for Apophis Case study: Apophis, 2029-2036

2020 - Risk Corridors Other NEOs of Concern

Q: Have we visited NEOs? A: Yes! With robotics…

Q: Could humans visit NEOs? A: Yes! Here is a way it could work…

Popular Science, November 2007 … which was picked up by the popular media…

… and somewhat creatively misinterpreted!

Q: Can we Mitigate the threat posed by NEOs? A: Yes! Here is a way it could work…

Kinetic Impact Pushes the asteroid via direct impact Orbit Determination Determining which NEOs are threatening Gravity Tractor Pulls the asteroid using mutual gravity as a tow-rope B612 Foundation 2008 Research Project

Kinetic Impactor: Assisting Gravity Tractoring

DigitalSpace/B612 Visualization of GT/Kinetic Impactor

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Critical Questions

Q: Could we use resources on NEOs to support exploration and settlement of the solar system? A: Perhaps!

Vehicle on virtual lunar terrain, excavating volume To the seriously studied

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Benefits from Capturing & Mining NEOs

Thank you NASA and B612 Foundation for funding this work. DigitalSpace’s NEO Mission Simulations: http://www.digitalspace.com NASA Near Earth Object Program: http://neo.jpl.nasa.gov B612 Foundation: http://www.b612foundation.org

Thank you for your attention! Contact: [email_address] Source: www.grinningplanet.com

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