some say that the van allen radiation belt prohibits travel to the moon and mars. are the mars non manned landings also a hoax? according to those that believe in this theory, the radBelt damages electronics. what about the voyager space probes?
here's an excerpt from the link below:
The astronauts on the ISS do not regularly spend time inside the belts, but from time to time solar storms expand the belts to the orbit of the space station. In the 1960s, several Apollo crews went through the Van Allen belts on their way to and from the moon. Their time in that radiation-intensive region, however, was very short, in part because the trajectory was designed to pass through the thinnest known parts. With more study, astronauts can be better protected for long-term stays in Earth orbit.
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"We study radiation belts because they pose a hazard to spacecraft and astronauts," said David Sibeck, the Van Allen Probes mission scientist at NASA's Goddard Space Flight Center in Maryland, in an August 2016 NASA statement. "If you knew how bad the radiation could get, you would build a better spacecraft to accommodate that."
Newer findings from the probes show that radiation in certain zones may be less harsh than scientists thought. In March 2017, the Van Allen Probes made a finding showing there is less radiation in the inner belts that previously theorized, which means less shielding is required for spacecraft and satellites in that region. The most energetic electrons residing in the inner radiation belt are there for less time than scientists thought beforehand.
https://www.space.com/33948-van-allen-radiation-belts.html