Documents / FOIA release

ADA128307 UFOsandUAPs

Office of the Secretary of Defense · 9 pages · text from the file's own layer

This is an edited English translation, dated 11 April 1983, prepared by the Foreign Technology Division at Wright-Patterson AFB, of a September 1982 article by Liu Yan in the Chinese journal Tianwen Aihaozhe. The article covers the spiral luminous object that several million people in western China saw on July 24, 1981. It rejects Zhang Zhousheng's claim that the object was a Cassiopeia meteoroid he had predicted. The author concludes it was most probably a man-made flying machine several hundred km up.

..
Second, even if there are indeed some charged particles in
the meteoroid, it is still impossible that they "will be released
from the confinement of the self-gravity of the meteoroid" (note:
What kind of gravity? It is very vague) because of the action of
the Lorentz force. As far as we know, the Lorentz force does not
work on charged particles; it gives only centripetal force to the
rotating motion.
Third, even if the charged particles are indeed rotating
several thousand km above the Earth, it is still impossible for us
to observe the details of the spiral shape by eye on the ground.
Fourth, even if under a certain external force a small amount
of the charged particles can be pulled out of a lump of plasma
possessing both positive and negative charges, because of the
Coulomb attraction it is impossible that only the particles of
the same charge will flow out of the plasma to form a micro-
particle stream, while the particles of the other charge stay in
the lump.
Fifth, the radius of rotation of the charged particles is re-
lated to their mass and charges, and the direction of rotation of
the particles is related to the property of the charges; the di-
rection of rotation of the positively charged particles is opposite
to that of the negatively charged particles. Therefore, even if we
accept that the charged particles in a meteoroid can be in rotating
motion, what we may observe is not a clear spiral body rotating in
one direction, but a superposition of two spiral bodies rotating in
opposite directions or even in a blurry pattern. Nevertheless,
Zhang Zhousheng has repeatedly "overlooked" this critical question
and always talks vaguely about "charged particles" or "micro-
particle stream," etc., and never points out whether they are
electrons, protons, or other particles.
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FOIA release, from the osd collection. The PDF is mirrored here; the original link is above. 9 pages are in the text index: search them above, or from the library's search.