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NASA has a new plan for dealing with asteroids

NASA has a new plan for dealing with asteroids


Every once in a while, we hear the unsettling
news that a large asteroid is passing near Earth. And often, we also hear that the rock was
only discovered just before the flyby. The close calls are a reminder of how vulnerable
our planet really is. Now we know what NASA intends to do about
it. The agency’s new plan outlines how it will
defend against asteroid strikes. The plan focuses on detection, meaning telescopes
and software. Asteroids have predictable orbits, so once
one is spotted, scientists can quickly tell whether it will ever pose a threat and when
is the best time to try to deflect it. And if a threat is found? Some options to deflect an asteroid are subtle,
like gravity tractors, where a spacecraft uses its own small gravitational field to
nudge an asteroid onto a different orbit. Others are less subtle, like smashing a spacecraft
into the asteroid at high speed to knock it off course. And yes, blowing an asteroid up with a nuke
is a real option. The report also says NASA is now confident
that all the largest asteroids — the ones big enough to cause worldwide damage — have
already been found and that none are a threat. And for smaller asteroids, early detection
could give years to prepare for an impact if it can’t be deflected.

Comments (9)

  1. But you don't have early detection so you don't have years to prepare.

  2. Yeah, before it didn't have to do with detection….duh!
    None are a threat, they have already been found, what about the ones that keep popping up? And why is it that it has to cause worldwide destruction to be a threat?

  3. If I pay you enough can I get you to say whatever I want you to stay as well?

  4. So Tesla can send like a dozen or two if we had to?

  5. WE LIVE UNDER A FIRMAMENT…..THERE IS NO OUTER SPACE

  6. We'll re-use Space X's spaceman and Tesla roadster as an impactor to save the Earth someday.

  7. Space war 1 is coming

  8. I heard my grampaw talking about this one time and he just used Preparation H.

  9. When is it coming

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