Rolf Dyce1965
Dyce helps establish from radar measurements that Mercury's rotation period is close to 59 days rather than 88 days.
United States · Science / Astronomy. Chronological records rendered directly from the World History Database.
Dyce helps establish from radar measurements that Mercury's rotation period is close to 59 days rather than 88 days.
Radar observations overturn the accepted 88-day rotation period and indicate that Mercury rotates in about 59 days.
Counselman examines the implications of the newly measured 59-day rotation period for theories of Mercury and the inner Solar System.
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