Astronomy Picture of the Day ·

Lunations

The Astronomy Picture of the Day for September 12, 2018 is “Lunations,” a video. It is credited to Video Credit: Data: Lunar Reconnaissance Orbiter ; Animation: NASA ‘s Scientific Visualization Studio ; Music: The Blue Danube ( Johann Strauss II ). The original explanation runs about 144 words.

Preview frame of the video “Lunations” Watch the video on the original page
Credit: Video Credit: Data: Lunar Reconnaissance Orbiter ; Animation: NASA ‘s Scientific Visualization Studio ; Music: The Blue Danube ( Johann Strauss II ) Shown from the original page. Not hosted by OpenOrbit.

From the explanation

“Our Moon’s appearance changes nightly. As the Moon orbits the Earth , the half illuminated by the Sun first becomes increasingly visible, then decreasingly visible.”

— APOD editors, September 12, 2018

Read the full explanation on science.nasa.gov

At a glance

Date
September 12, 2018
Type
Video
Credit
Credit: Video Credit: Data: Lunar Reconnaissance Orbiter ; Animation: NASA ‘s Scientific Visualization Studio ; Music: The Blue Danube ( Johann Strauss II )
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 144 words

All of September 2018 → · 2018 by month → · Full archive since 1995 →

Topics in this entry

The MoonThe Sun

Topics are matched from words in the title and explanation.

On this day: September 12 in other years

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Source

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.