August 1972 geomagnetic stormW
August 1972 geomagnetic storm
Faint young Sun paradoxW
Faint young Sun paradox
Leap secondW
Leap second
January 1972 lunar eclipseW
January 1972 lunar eclipse
July 1972 lunar eclipseW
July 1972 lunar eclipse
Solar eclipse of January 16, 1972W
Solar eclipse of January 16, 1972
Solar eclipse of July 10, 1972W
Solar eclipse of July 10, 1972