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Not only was radioactivity increasing as we got farther from the Earth
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American Moon

Not only was radioactivity increasingas we got farther from the Earth, but beyond a...

Not only was radioactivity increasing
as we got farther from the Earth, but beyond a certain point,
the Geiger counter would suddenly return to zero, before resuming
normal operation

Full Transcript

00:00:01.000 --> 00:00:05.015
Not only was radioactivity increasing as we got farther from the Earth,
00:00:05.023 --> 00:00:09.003
but beyond a certain point, the Geiger counter would suddenly return to zero,
00:00:09.036 --> 00:00:11.084
before resuming normal operation.
Duration
12 seconds
Views
16
Timestamp in Movie
01:01:31
Uploaded
Jun 29, 2025
Genres
documentary, history
Production
N/A

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Movie Summary

This documentary examines the authenticity of the photographic record of NASA's Apollo missions.
Here is how James Van Allen describes it that experience. - American Moon 00:04
Here is how James Van Allen describes it that experience.
I began to understand what was going on, - American Moon 00:10
I began to understand what was going on,
Then there was a very rapid change, - American Moon 00:09
Then there was a very rapid change,
Then after a few minutes it goes up from zero to very high, - American Moon 00:12
Then after a few minutes it goes up from zero to very high,
The reason for the sudden drop to zero - American Moon 00:12
The reason for the sudden drop to zero
We will now pass 1,000 kilometers - American Moon 00:08
We will now pass 1,000 kilometers
- Oh, go back to zero. - Yeah... - American Moon 00:04
- Oh, go back to zero. - Yeah...
Along the way, the meter measured at one point a strong radiation, - American Moon 00:07
Along the way, the meter measured at one point a strong radi...
Which showed that, obviously, he was encountering an area of intense radiation. - American Moon 00:05
Which showed that, obviously, he was encountering an area of...
Scientists were discovering so-called Van Allen belts. - American Moon 00:05
Scientists were discovering so-called Van Allen belts.
Two toroidal-shaped belts, localized in the magnetosphere, - American Moon 00:10
Two toroidal-shaped belts, localized in the magnetosphere,
Van Allen wrote in 1959: - American Moon 00:13
Van Allen wrote in 1959:
The discovery is, of course, worrisome for astronauts. - American Moon 00:04
The discovery is, of course, worrisome for astronauts.
The human body will have to be somehow shielded from this radiation, - American Moon 00:08
The human body will have to be somehow shielded from this ra...
Later, Van Allen published another article, - American Moon 00:06
Later, Van Allen published another article,
"The Earth is wrapped in belts of lethal radiation." - American Moon 00:18
"The Earth is wrapped in belts of lethal radiation.&quo...
The article concluded: - American Moon 00:13
The article concluded:
This California Academy of Sciences - American Moon 00:11
This California Academy of Sciences
The existence of radiation belts around the Earth - American Moon 00:08
The existence of radiation belts around the Earth
How much protection will they need the first space travelers - American Moon 00:08
How much protection will they need the first space travelers