yes but it's incredibly complicated, radiation comes from multiple sources. See https://en.wikipedia.org/wiki/South_Atlantic_Anomaly and https://en.wikipedia.org/wiki/Van_Allen_radiation_belt
yes but it's incredibly complicated, radiation comes from multiple sources. See https://en.wikipedia.org/wiki/South_Atlantic_Anomaly and https://en.wikipedia.org/wiki/Van_Allen_radiation_belt