Re: Latest idea for asteroid removal


John F. Eldredge wrote:
> On 12 Nov 2005 02:14:17 -0800, "rja.carnegie@xxxxxxxxxx"
> <rja.carnegie@xxxxxxxxxx> wrote:
>
> >
> >James Nicoll wrote:
> >> In article <1131743936.177657.192490@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
> >> Gene Ward Smith <genewardsmith@xxxxxxxxx> wrote:
> >> >
> >> >rja.carnegie@xxxxxxxxxx wrote:
> >> >> Gene Ward Smith wrote:
> >> >
> >> >> > For bonus points you get it to orbit the Earth or Moon.
> >> >>
> >> >> Or impact the Moon, now I think of it. Why not?
> >> >
> >> >Because putting it in orbit would be so much more potentially useful.
> >> >
> >> Also because the Moon has no atmosphere and a low escape velocity,
> >> which equals lots of ejecta if the rock is moving with any great speed when
> >> it hits, and a certain % of the ejecta will be moving in the right direction
> >> and speed to hit Earth, which is what we were trying to _avoid_.
> >
> >I don't want to be bullish about ejecta hitting Earth but shouldn't the
> >atmosphere take care of it? Someone's car gets totalled, maybe. We
> >get sued... hmm, maybe best not.
>
> Depending upon the size of the ejecta, it might or might not burn up
> when it enters the atmosphere. I suppose one could try to steer the
> rock into the far side of the Moon.

I admit that probably doesn't quite work - you're still creating
asteroid matter wandering around in the space near to Earth and inside
the Moon's gravity, it can swing around the Moon and still slam South
America or something.

.

Relevant Pages

  • Re: Latest idea for asteroid removal
    ... and a certain % of the ejecta will be moving in the right direction ... when it enters the atmosphere. ... rock into the far side of the Moon. ...
    (rec.arts.sf.written)
  • Re: Latest idea for asteroid removal
    ... and a certain % of the ejecta will be moving in the right direction ... > and speed to hit Earth, which is what we were trying to _avoid_. ... I don't want to be bullish about ejecta hitting Earth but shouldn't the ...
    (rec.arts.sf.written)
  • Re: Latest idea for asteroid removal
    ... and a certain % of the ejecta will be moving in the right direction ... >when it enters the atmosphere. ... >rock into the far side of the Moon. ...
    (rec.arts.sf.written)
  • Re: Superluminal Quasar Jets : The Beaming "Explanation" Appears Inadequate
    ... > NDT> My point was, if they are moving towards us in any sense, faster ... but the model isn't that the ejecta is moving faster than the ... Consider ejecta moving at 0.999c and moving toward ... Maxwell provides the conundrum I describe, since light travels at c for all ...
    (sci.astro)
  • Re: Superluminal Quasar Jets : The Beaming "Explanation" Appears Inadequate
    ... > NDT> My point was, if they are moving towards us in any sense, faster ... but the model isn't that the ejecta is moving faster than the ... Consider ejecta moving at 0.999c and moving toward ... Maxwell provides the conundrum I describe, since light travels at c for all ...
    (sci.physics.relativity)
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