A collection of ideas and efforts to prevent human extinction from Earth-crossing orbits (ECOs) of asteroids and comets that become potentially hazardous objects (PHOs).
3×3 Global Drills
Synergistic human power
Synergistic human power
A collection of ideas and efforts to prevent human extinction from Earth-crossing orbits (ECOs) of asteroids and comets that become potentially hazardous objects (PHOs).
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