From: Mike Lorrey (mlorrey@datamann.com)
Date: Sun May 19 2002 - 07:48:26 MDT
Doug Jones wrote:
>
> The acceleration would initially be upward toward the object, then
> sideways as it reaches the surface, pulling downward again as the
> objects dives deep. The interaction time would be about that needed for
> the object to move through a distance comparable to your range from it;
> at 100 meters it would zip by in about .01 second, yanking you and your
> car (smoothly) sideways, along with every loose pebble and bit of dust
> on the roadway. The net result is a nearly instant velocity increment
> toward the object's track, and your change in velocity would be about
> v=at, or 0.4 m/s.
> snip
>
> But what of the lucky stuff closer to the object? At .005 meter range,
> the acceleration is over a billion gees, and any air or rock within that
> distance would be pulled inward at over 7 km/s. This would result in
> Ghod's Own Thunderbolt as a column of air and soil about 2 cm across
> EXPLODES with more energy than a comparable column of high explosives
> (low density in the case of the air). The inwardly moving fluid flow
> collides with itself, creating pressures and temperatures like a metor
> impact in a column extending *thousands of miles* deep. Such an event
> would not have merely tossed your car around- it would have blown your
> windows out, left an obvious crater about a meter wide, and a channel
> reaching deeper than any well ever drilled.
However, what if it were simply passing through the atmosphere nearby on
a grazing hyperbolic trajectory? You wouldn't get any ground effects,
though there ought to be a pretty noxious fireball passing nearby.
As for passing through the ground, what of the compressive strength of
the rock? The stress in such a short time span might heat it up
considerably, but the deeper you go, the more pressure the rock is under
and the stronger it gets as a result.
>
> If you look at enough small quakes around the world, you'll inevitably
> find some correlated in time in such a way as to suggest a collison with
> a superdense object, but the other effects of such an encounter would be
> glaringly obvious. Occam's razor suggests that you and the other
> motorists experienced a small shallow earthquake.
This is the more likely explaination
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