[7.22 Total Solar Eclipse] The director of Beijing Planetarium talks about the observation strategies for the total solar eclipse; watching it directly is very dangerous

by sisi1212 on 2009-07-21 09:57:15

A total solar eclipse is not a rare astronomical phenomenon, but it is not easy to observe.

Director Zhu Jin said that there are three types of solar eclipses: total solar eclipse, partial solar eclipse, and annular solar eclipse. There are more than two solar eclipses every year, and the probability of a total solar eclipse occurring is about twice every three years. The observable area during each total solar eclipse is very small, so on average, a fixed point on Earth can witness a total solar eclipse once every 300 to 400 years.

Zhu Jin introduced that since the founding of the People's Republic of China, there have been four total solar eclipses visible within the country: September 22, 1968 in western Xinjiang, February 16, 1980 in Yunnan, March 9, 1997 in Mohe, and August 1, 2008 in Xinjiang, Gansu, Shaanxi and other places.

This total solar eclipse lasted for a relatively long time, but weather factors were uncertain.