We Earthlings are making progress toward defending our planet from near-Earth objects, which is reason enough for the annual Asteroid Day celebration. Co-founder Danica Remy tells us what to expect, while Detlef Koschny, acting head of the European Space Agency’s Planetary Defence Office, reviews ESA’s expanded efforts. Planetary Society chief scientist Bruce Betts oversees the Society’s deep involvement before he shows us the current night sky. There’s more to discover at https://www.planetary.org/planetary-radio/2022-danica-remy-detlef-koschny-planetary-defense

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