Imagine we detect a large asteroid heading straight for Earth. We are able to intervene and prevent disaster, but instead we cut the funding needed to track it. A few million dollars, it was argued, was too expensive to have a chance to save society.
While this scenario isn’t real, the metaphor is alarmingly accurate. In Europe, we spend €1bn to monitor space for asteroids, even if the actual risk of a civilisation-ending asteroid strike is close to zero.
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