Interesting. I had not heard of mirror matter before, Definite shares of a certain Star Trek episode.
On Tue, Feb 5, 2013 at 11:13 AM, Jones Beene <jone...@pacbell.net> wrote: > The unspoken assumption is that the asteroid is composed of normal > matter – and if so, then it would take substantial mass to deflect it.**** > > ** ** > > What would be the effect of an asteroid composed of “other” kinds of > matter – such as mirror matter in our solar system, and was there a > precedent for that already (1908) ? **** > > ** ** > > It is true that Antimatter may not exist in our galaxy, but mirror matter > could coexist. There is the Wiki site but it is deficient on many details: > **** > > ** ** > > http://en.wikipedia.org/wiki/Mirror_matter**** > > ** ** > > …there are some who think that the Tunguska event was a comet or asteroid > composed of another kind of matter. Notably, Robert Foot has expressed a > fairly convincing hypothesis… and if the Siberia event was a true precedent > for the aftermath of an even closer near-miss then, then we can surmise a > small satellite could be more problematic following a collision than its > mass would suggest.**** > > ** ** > > http://books.google.com/books/about/Shadowlands.html?id=3evE2K-ylVIC**** > > ** ** > > ** ** > > *Robin wrote***** > > **** > > This one is not as wide as it is long, so I estimate the mass at about > 70000 > tons.**** > > ** ** > > So it is about the same as a 1.5 ton car whacking into 20 g songbird. Not > likely to deflect the path much. But even a tiny effect will change the > orbit significantly over time. That is why they are talking about > deflection techniques for meteorites such as painting one side white, to > increase the effect of sunlight. Like a Crooks radiometer.**** > > ** ** > > - Jed**** > > ** ** >
