论文部分内容阅读
今年六月二十日(旧历五月一日)我国西沙群岛附近将能看到日全食,全国除了新疆和黑龙江省的北部外都能看到日偏食。这次日食由于月亮影子在地面上是从西南向东北移动,我国西部和南部地区要比东部和北部地区早看到日食,而且越往南的地区所看到的食分越大。根据中国科学院紫金山天文台的材料,我国各重要城市看见日食的时间(北京时间)及情况如下表: 日食是怎样产生的呢? 我们知道地球是绕着太阳转
June 20 this year (Lunar New Year May 1) near the Xisha Islands in China will be able to see the total solar eclipse, the country except in northern Xinjiang and Heilongjiang Province can see partial eclipse. As the eclipse of the solar eclipse moves from southwest to northeast on the ground, the solar eclipse in the western and southern parts of China will be seen earlier than in the eastern and northern parts of the country, and the greater the food eaten in the more southward regions. According to the materials of the Purple Mountain Observatory of the Chinese Academy of Sciences, the time when the major cities of our country see the eclipse (Beijing time) and the situation are as follows: How is the eclipse? We know that the earth is around the sun