Rajaa
Hakutulokset: 9780816515059
Rajaa
yksi hakutulos.
Hazards Due to Comets and Asteroids
nidottu,
1995,
englanti,
ISBN 9780816515059
In 1993, the U.S. Department of Defense declassified information dealing with frequent explosions in the upper atmosphere caused by meteoric impact. It is estimated that impacts …