꾸러미:
jp.co.vixen.cometbook
다운로드:
50K
크기:
2.6 MB
지원되는 android 버전:
5.0 이상
업데이트 날짜:
2018년12월18일
The Comet Book clearly shows when Comets can be viewed and in which direction. The direction and elevation of a Comet can change ably in a day due to its fast apparent motion. The moon and a bright planet may be convenient as a guide to find the comet though they have large apparent motion, too.
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