NASAのインスタグラム(nasagoddard) - 10月24日 04時31分

Saturday, Oct. 28 is International Observe the Moon Night, a worldwide celebration of lunar science and exploration.

One day each year, everyone is invited to observe and learn about the Moon together, and to celebrate the cultural and personal connections we all have with Earth’s nearest neighbor.
So save the date and plan on looking up this Saturday!
Learn more at observethemoonnight.org

The animation shows the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2017, at hourly intervals.
Credit: NASA/Goddard/LRO #nasagoddard #LRO #moon #IOTMN

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