John Company

Gemini 4 Experiment Debriefing, 1967

NASA-UAP-D018 · page 121 of 224

Page 121 of 224 of NASA-UAP-D018

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..
Zodiacal Light
~
Jae Divitt and ,hite ,ere taking 16 rnti. movies
DK1u:d;i1Q5
be.fore one 11 capsule da m11
when they noic d ttie zodiacal light and described
it u
thus, "it was a shaft of light and a long tine before the sun came up. 11
On the ,round observ rs can note tho cone tot light in the eastern sky or
•
western sky after the sun has set and gone down about 18 de~~ ( about and hour
after sunset or an hour before sunri e.) Pilots t 40,000 feet o~n follo it for
a lon1er span since they are , rray from disturbing city lights •
\
Condition of tho ii.do
\
\
The G....nrlni optical window is quite superior to tho Jrcury indo,,.
None­
~
the less the pilots note that11both their windows ere fog YJ"
nd at one
point durin~ EVA ,hite :rubbed his sleeve accid nt·-lly on JirllSs, ~dow
d~~na it - probably parti lly rcmvlinr the silicon ·D.m.
smu -~-o