12月5日的Eclipse Map: 5000 years应用程序分析

The "Eclipse Map" app provides solar and lunar eclipse data from -1999 to 3000, and can query the time and type of any solar or lunar eclipse in 5000 years. The "Eclipse Map" app visualizes the distribution area of ​​each solar or lunar eclipse on the earth on the map by calculation. It can also calculate the observable events and event times of any point on the map during the solar or lunar eclipse. In addition, it can also calculate the observable events and time of each solar or lunar eclipse at a given location .