Astronaut Scientific Debriefings, 1962-1963

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LOS ALAMOS SCIENTIFIC LABORATORY
UNIVEllelTY Of' CAl.lf'OIINIA
LOe AI.AM09, NllW MIIXICO
tO: Dr. Jocelyn Gill
DATE:
July l.3, l.962
Aaeuming that 'Y • 7 km 1n ~ abaorbing layer, ve note that a. surface obaerver
vieving a layer at an altitude near l.00 km vill have availabl.e the ratio
(12)
An astronaut·vieving along path No. 3 woul.d have a mu.ch greater thickness, as
2,rR ; 75
y
. (l.3)
Viewing thru the layer to a point ne.ar the surface and out again the enhancement
would be mu.ch less,
(14)
Light received by an observer :from a "point source" in space is attenuated by
-uN
•
a factor e
where CT 1s the absorption plus scattering cross section, giving
I
-aN
-• e
(15a)
Io
and
I •.
1n .!_
• -CTN
(15b)
Io