Sikhote-Alin meteoriteW
Sikhote-Alin meteorite
Cassiopeia AW
Cassiopeia A
Kon-Tiki expeditionW
Kon-Tiki expedition
June 1947 lunar eclipseW
June 1947 lunar eclipse
November 1947 lunar eclipseW
November 1947 lunar eclipse
Solar eclipse of May 20, 1947W
Solar eclipse of May 20, 1947
Solar eclipse of November 12, 1947W
Solar eclipse of November 12, 1947
Spaceflight before 1951W
Spaceflight before 1951