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ジョエル・レヴィーン：なぜ今火星再探査が必要なのか
829,913 views |
Joel Levine |
TEDxNASA
• November 2009
Read transcript
TEDxNASAで、惑星科学者のジョエル・レヴィーンが火星についての興味深く、謎めいた新しい発見を紹介します。氷で満ちたクレーター、古代の海の痕跡、そして過去のどこかで生命が存在したことについての説得力のある手掛かり。レヴィーンは再び火星を探査してより多くのことを見つけ出すべきだと言います。
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