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

被引：3

作者：

MCGUIRE, JB

WONG, L

SPANGLER, ER

机构：

来源：

SCIENTIFIC AMERICAN | 1961年 / 204卷 / 04期

关键词：

D O I：

10.1038/scientificamerican0461-64

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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页码：64 / &

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