價格：免費
更新日期：2018-03-29
檔案大小：24.3 MB
目前版本：1.1
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：德語, 日語, 英語
The Mars Book is an app that is dedicated for observing Mars which will make close approach in summer 2018.
Mars will come close to Earth from June 2018 through September 2018. Closest approach will take place on July 31, 2018.
Mars Book is a highly useful Mars observing app which will indicate the location of Mars visible in the sky.
It shows you why Mars Close Approach will take place, and it is explained readily using animated illustrations and star charts at a viewpoint from outer Space.
Mars Close Approaches taking place 23 times from the year 2003 through 2050 will be displayed and apparent retrograde motion of Mars will be displayed.
Enjoy Mars Close Approach this summer with the Mars Book app!
支援平台：iPhone, iPad