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Lunar Meteoroid Impacts and How to Observe Them (Paperback, 2009 ed.)
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Lunar Meteoroid Impacts and How to Observe Them (Paperback, 2009 ed.)
Series: Astronomers' Observing Guides
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The genesis of modern searches for observable meteoritic phenomena
on the Moon is the paper by Lincoln La Paz in Popular Astronomy
magazine in 1938. In it he argued that the absence of observed
fashes of meteoritic impacts on the Moon might be interpreted to
mean that these bodies are destroyed as luminous meteors in an
extremely rarefed lunar atmosphere. The paper suggested the
possibility of systematic searches for such possible lunar meteors.
With these concepts in mind, I was surprised to note a transient
moving bright speck on the Moon on July 10, 1941. It appeared to
behave very much as a lunar meteor would - except that the poorly
estimated duration would lead to a strongly hyperbolic heliocentric
velocity. Thus, the idea of systematic searches for both p- sible
lunar meteors and meteoritic impact fashes was born. It was
appreciated that much time might need to be expended to achieve any
positive results. Systematic searches were carried out by others
and myself chiefy in the years 1945-1965 and became a regular
program at the newly founded Association of Lunar and Planetary
Observers, or ALPO.
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