DETERMINATION OF SOLAR PARALLAX BY MEANS OF RADAR ECHOES FROM VENUS

[1] Allen C. W., 1955, ASTROPHYSICAL QUANTI

[2] RADIO ECHO OBSERVATIONS OF VENUS [J]. NATURE, 1959, 184 (4696) : 1358 - 1359

[3] SIZE OF SOLAR SYSTEM - TELESCOPIC METHODS LEAVE AN UNCERTAINTY OF AS MUCH AS 170,000 MILES IN EARTH-SUN DISTANCE - SPACE VEHICLES SUCH AS PIONEER V AND SOVIET PROBE NOW HEADED TOWARD VENUS CAN HELP TO CUT UNCERTAINTY [J]. SCIENTIFIC AMERICAN, 1961, 204 (04) : 64 - &

[4] RADAR ECHOES FROM VENUS [J]. SCIENCE, 1959, 129 (3351) : 751 - 753

[5] DERIVATION OF FUNDAMENTAL ASTRONOMICAL CONSTANTS FROM THE OBSERVATIONS OF EROS DURING 1926-1945 [J]. ASTRONOMICAL JOURNAL, 1950, 55 (04) : 112 - 126

[6] SPENCERJONES H, 1931, MEM ROY ASTRON SOC, V46

[1] Allen C. W., 1955, ASTROPHYSICAL QUANTI

[2] RADIO ECHO OBSERVATIONS OF VENUS [J]. NATURE, 1959, 184 (4696) : 1358 - 1359

[3] SIZE OF SOLAR SYSTEM - TELESCOPIC METHODS LEAVE AN UNCERTAINTY OF AS MUCH AS 170,000 MILES IN EARTH-SUN DISTANCE - SPACE VEHICLES SUCH AS PIONEER V AND SOVIET PROBE NOW HEADED TOWARD VENUS CAN HELP TO CUT UNCERTAINTY [J]. SCIENTIFIC AMERICAN, 1961, 204 (04) : 64 - &

[4] RADAR ECHOES FROM VENUS [J]. SCIENCE, 1959, 129 (3351) : 751 - 753

[5] DERIVATION OF FUNDAMENTAL ASTRONOMICAL CONSTANTS FROM THE OBSERVATIONS OF EROS DURING 1926-1945 [J]. ASTRONOMICAL JOURNAL, 1950, 55 (04) : 112 - 126

[6] SPENCERJONES H, 1931, MEM ROY ASTRON SOC, V46