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This satellite had on board some special instruments
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American Moon

This satellite had on boardsome special instruments, designed by scientist Van Allen,...

This satellite had on board
some special instruments, designed by scientist Van Allen, whose purpose was to measure
radioactivity in space

Full Transcript

00:00:01.000 --> 00:00:03.079
This satellite had on board some special instruments,
00:00:03.082 --> 00:00:06.035
designed by scientist Van Allen,
00:00:06.043 --> 00:00:09.088
whose purpose was to measure radioactivity in space.
Duration
10 seconds
Views
16
Timestamp in Movie
01:01:07
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.
The satellite was launched into an eccentric orbit, - American Moon 00:10
The satellite was launched into an eccentric orbit,
Thanks to this eccentricity, - American Moon 00:06
Thanks to this eccentricity,
Not only was radioactivity increasing as we got farther from the Earth, - American Moon 00:12
Not only was radioactivity increasing as we got farther from...
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: