1 時間11分
Space Policy Edition: We're entering a new era of planetary defense (with Lindley Johnson) Planetary Radio: Space Exploration, Astronomy and Science
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- 科学
The head of NASA’s planetary defense program discusses how the DART mission represents a new era for defending our planet from dangerous asteroids.
The head of NASA’s planetary defense program discusses how the DART mission represents a new era for defending our planet from dangerous asteroids.
1 時間11分