In the past 20 years, there have been several reports on the observations of abnormal changes of the period of a torsion pendulum during solar or lunar eclipses. To investigate this abnormal phenomenon, in 1982, we ob...In the past 20 years, there have been several reports on the observations of abnormal changes of the period of a torsion pendulum during solar or lunar eclipses. To investigate this abnormal phenomenon, in 1982, we observed four solar and lunar eclipses. The highest accuracy was 1.69×10-7 which is nearly 10-3 times展开更多
文摘In the past 20 years, there have been several reports on the observations of abnormal changes of the period of a torsion pendulum during solar or lunar eclipses. To investigate this abnormal phenomenon, in 1982, we observed four solar and lunar eclipses. The highest accuracy was 1.69×10-7 which is nearly 10-3 times
