Quote:
Originally Posted by Uncwilly
Surprise us. Be creative.
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Let us assume there is a non-zero probability that a relatively massive asteroid might impact Earth within the next 100 years.
Somewhat minor private funding (only a few hundred million dollars or so) would be able to detect this, using spacecraft located at Lagrangian points.
Might be a bit better than NASA funded scientists noting after the fact "oh, look, that asteroid just missed us yesterday"....