Astronaut Scientific Debriefings, 1962-1963

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LOS ALAMOS SCIENTIFIC LABORATORY
UNIVll:llalTY 0,, CAL.1,,0IINIA
LOe ALAM0e, NIEW MUICO
• 1'0z
nr. Jocelyn Gill
DATBz
July 13, 1962
For a horizontal path (sin 8 • 0) te.nsent to the baae of a layer (path No. 3)
we ·note that y << l in the contributing region, hence, can get an approximate form
l
~r.
~
ex,
Y2
N • RPo
•e
ccy
(7)
O
which has the value
~
­
N•\J 2
Po
(8)
Here Po is the density at the base of the layer, as in eqµation (6).
'I
An astronaut's view thru a layer :from above would see twice the path computed
I
by equation (7), ·giving
N3 • Po ✓ 2nRY molecu.les/-cm2
(9)
f
•
Aline of sight tangent to the earth and passing thru a layer at base altitude
H (path No . 2) will have
.
.1!J.,
N- ~y [pl e y J
(10)
..fu.
and we note that [P1. e ~] is the density at H1 , the base of the layer, which we
set eqµal to Po as in equations (6) and (9),
RY
• ~
N,a • Po -L • Po -
(11)
2H1.
r-