资讯

There was no shortage of threats facing Apollo astronauts on missions to the Moon. Like radiation. Specifically, the dense radiation environment of the Van Allen belts that surround our planet.
The Apollo program encountered many difficulties on its trip to the Moon, ranging from mechanical to astrophysics. The issue of the Van Allen belt and its radioactivity was a particularly serious ...
For near-Earth missions, the Van Allen belts are not a hazard to spacefarers. It was, however, a hazard for the Apollo missions. The Van Allen belts are not a physical barrier to spacecraft ...
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 ...
What are the Van Allen belts? Learn how these giant rings of charged particles cause problems for astronauts and satellites.
The Apollo spacecraft, launched from Cape Canaveral on Florida's east coast, would have to traverse the augmented Van Allen Belts, and no one could say what effect their radiation would have on ...
The Science: The Van Allen Belts are created by ... the radiation exposure is well below dangerous levels. The Apollo astronauts passed through the belts in less than four hours total for the ...
Yes. Yes they can. The answer, simply, and which has been explained in detail elsewhere, is that the Apollo astronauts were not in the Van Allen belt for long enough to have to deal with dangerous ...