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NASA a history of near earth objects research

Erik M. Conway, Author ; Donald K. Yeomans, Author ; Meg Rosenburg, Author | [S.l.] : National Aeronautics and Space Administration | NASA SP | 2022

In 2016, NASA took on a new responsibility: Planetary Defense Coordination. That event reflected a growing interest in, and concern about, the threat of celestial impacts. In ancient times, the solar system’s small bodies— asteroids and comets—w[...]

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