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  • Array

Tuesday, November 27 | 7:00 – 9:00 pm

Defending Planet Earth from Asteroids

For millions of years, asteroids have been striking the Earth, often causing considerable damage, widespread changes in climate, and even leading to massive extinction events. What should we do to protect ourselves from future asteroid impacts? Should we be researching and creating advanced spacecraft that could use gravity to steer an asteroid from our path? Should we be investing in asteroid-ramming impactors and space-faring nuclear weapons to blow dangerous asteroids off course? How do we prepare civil defense and emergency managements strategies in the event of an asteroid impact?

Come learn from NASA experts about the threats to our planet from asteroids and other near-Earth objects, discuss the tradeoffs of asteroid protection strategies with others, and make recommendations for the future of our planet’s safety!


  • Victoria Friedensen, Program Executive, Planetary Defense Coordination Office, NASA
  • Lindley Johnson, Planetary Defense Officer, NASA


Skyline Room


Recommended for: Grades 11 – adults

Presented in collaboration with

Public Event

Free Event. No Exhibit Halls admission required.