Aircrew and Spacecrew Radiation Exposure - media.cns-snc.ca
Aircrew and Spacecrew Radiation Exposure - media.cns-snc.ca
Aircrew and Spacecrew Radiation Exposure - media.cns-snc.ca
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Solar Magnetic Field Shielding<br />
(When)<br />
• GCR intensity anticoincident with solar cycle<br />
Sunspot Number<br />
400<br />
350<br />
300<br />
250<br />
200<br />
150<br />
100<br />
50<br />
0<br />
19 20 21 22 23<br />
1953 1958 1963 1968 1973 1978 1983 1988 1993 1998 2003 2008<br />
Year<br />
4500<br />
4000<br />
3500<br />
3000<br />
2500<br />
2000<br />
1500<br />
Climax Hourly Count Rate /100
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