Lucianne Walkowicz: Should We Be Using Mars As A Backup Planet?
Lucianne Walkowicz is all for space exploration, but says we shouldn't expect Mars to save us from a damaged Earth. She warns us not to lose sight of preserving the home we already have.
Đọc tiếp trên NPR
December 21, 2018 at 09:23PM
Environment
Thứ Sáu, 21 tháng 12, 2018
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