Discoveries by Robert Hutsebaut 1970-01-01
Discoveries by Robert J. Whiteley 1970-01-01
Discoveries by Robert L. Millis 1970-01-01
Discoveries by Robert Linderholm 1970-01-01
Discoveries by Robert Luther 1970-01-01
Discoveries by Robert Stawell Ball 1970-01-01
Discoveries by Robert Weber (astronomer) 1970-01-01
Discoveries by Rolf Apitzsch 1970-01-01
Discoveries by Ron Dyvig 1970-01-01
Discoveries by Roy A. Tucker 1970-01-01
Discoveries by Roy Clingan 1970-01-01
Discoveries by Royal Harwood Frost 1970-01-01
Discoveries by S. Cofré 1970-01-01
Discoveries by Satoru Otomo 1970-01-01
Discoveries by Sauro Donati 1970-01-01
Discoveries by Schelte J. Bus 1970-01-01
Discoveries by Scott S. Sheppard 1970-01-01
Discoveries by Sebastian F. Hönig 1970-01-01
Discoveries by Seidai Miyasaka 1970-01-01
Discoveries by Seiji Ueda 1970-01-01