[meteorite-list] Invisible Asteroids Might Endanger Earth

From: Ron Baalke <baalke_at_meteoritecentral.com>
Date: Thu Apr 22 09:44:38 2004
Message-ID: <200103121844.KAA07707_at_zagami.jpl.nasa.gov>

>
> Jeese, what's next!
>
> I think there is sufficient evidence for a comet impacting at Tunguska. They
> are grabbing straws here concerning impacts.

Agreed.

> >
> > http://www.vny.com/cf/News/upidetail.cfm?QID=166615
> >
> > Invisible asteroids might endanger Earth
> >
> > However, "mirror matter would be undetectable in our ordinary matter
> > surroundings," Foot told UPI in a telephone interview.
> >
> > While scientists generally attribute this explosion to a meteorite, no
> > traces of such an object have ever been found.

Dust-sized particles have been recovered from the Tunguska event, found embedded
in the tree sap. Since mirror matter is undetectable, and particles from the
Tunguska event has been detected, that would pretty much rule out the
mirror matter theory as the cause of the explosion.

> >
> > Princeton physicist Howard Georgi is skeptical of Foot's claims, however.
> >
> > "Robert Foot's ideas are interesting," Georgi told UPI. "They are also,
> of
> > course, extremely speculative."
> >
'
Amen.

Ron Baalke
Received on Mon 12 Mar 2001 01:44:25 PM PST