Comments by "Ken ibn Anak" (@kenibnanak5554) on "These are the asteroids to worry about" video.

  1. That iron meteorite is worth a pretty penny. Purer iron than we have here on Earth. Imagine if we had an ET enemy that wanted to get rid of humanity. If they picked a mid sized asteroid (or 3) and coated it (them) with a dark, not reflective, radar absorbent foam (like we use on our own stealth aircraft) then hurled it at us.. Our deep space radar wouldn't see it and neither would our telescopes. The only way we could know it was enroute would be to do an inventory of all known asteroids, plot their trajectories, then every few months (forever) check again and make sure they are all still discoverable and on the original trajectory. The day one is missing would be the time to panic. :) Of course just making the inventory is beyond our capabilities today. Even doing an inventory of just the NEOs is probably beyond us. So we are very vulnerable to both happenstance events and attacks.
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