HardShelledTurt
HardShelledTurt t1_itndv2v wrote
Reply to comment by BartyDeCanter in Deflecting asteroids is not enough — we need to know when they approach by burtzev
How can you be sure they're all catalogued? You don't know what you don't know
HardShelledTurt t1_itog8ew wrote
Reply to comment by BartyDeCanter in Deflecting asteroids is not enough — we need to know when they approach by burtzev
Very cool! Thanks for sharing!