Curious about NASA’s Grand Challenge to “discover all asteroids that could threaten human populations and find out how to deal with them?”  NASA is sponsoring a series of seminars on the properties of Near Earth Asteroids (NEAs) to provide information of interest to astronomers (amateur and professional), students, teachers, and others who are potentially interested in contributing to studies of NEAs. The seminars will be held at 11am (Eastern) on the second and fourth Fridays of each month. Information on how to join these seminars is posted at []. The first 5 speakers are:

– Feb 14 Lindley Johnson (NASA Headquarters):
NASA’s NEA programs

– Feb 28 David Morrison (NASA Ames & SSERVI):
History of impacts research and planetary defense

– Mar 14 Paul Chodas (NEO Program Office at JPL):
NEA discovery, orbit calculation and impact probability

– Mar 28 Alan Harris (JPL retired):
NEA populations and impact frequency

– Apr 11 Dan Britt (University of Central Florida):
Physical properties of NEAs

This seminar series is sponsored by The NASA Asteroid Grand Challenge Office, with the NASA Near Earth Object Observations Program and the NASA Solar System Exploration Research Virtual Institute (SSERVI).


Doris Daou

Associate Director, Solar System Exploration Research Virtual Institute
650-417-1485 (mobile)
202-358-1686 (NASA HQ)
650-604-2021 (NASA ARC)

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