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Moon, Earth and Sun for Android

By Digital Gene Free

Developer's Description

With this app, you can learn visually about the waxing and waning of the moon based on the positions of the moon, earth, and sun.

The upper screen is a chart of the celestial sphere from which you can check the positions of the sun and moon as seen from earth.

Change to "tracking" mode to see from the perspective of a person looking at the moon. Move the slider to change the angle of the celestial sphere.

The lower screen is a chart from which you can see the relationships between the positions of the moon, earth, and sun.

(To allow for easy understanding, sizes and distances are different from actual proportions.)

The moon as seen from earth at the current time is shown in the top left. Move the slider to change the angle of the figure.

*The celestial sphere chart shows the perspective from the northern hemisphere (around Japan).

Full Specifications

What's new in version 1.2.1


Release September 2, 2019
Date Added September 2, 2019
Version 1.2.1

Operating Systems

Operating Systems Android
Additional Requirements Requires Android 2.3 and up


Total Downloads 0
Downloads Last Week 0
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