Why does Mars haunt our imagination? Backup planet, science frontier, or both? The full story of terraforming Mars - magnetic shields, thick air, water and the ethics of remaking a world, explained simply. Could we really build a second Earth? Comment below. Footage: Why Are We So Obsessed With Mars? by The Infinity Inertia - https://youtu.be/gJ0SeYAc1Mc - Licensed under Creative Commons Attribution license (reuse allowed). Voiceover and edit are original for this channel.
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