Earthtopomaps – Moon Phases 2020 – Southern Hemisphere – 4K
The Moon’s Orbit :
This 4K visualization shows the Moon’s phase and libration at hourly intervals throughout 2020, as viewed from the Southern Hemisphere. Each frame represents one hour. In addition, this visualization shows the moon’s orbit position. Sub-Earth and subsolar points, and distance from the Earth at true scale.
Earthtopomaps – Moon Phases 2020 – Southern Hemisphere – 4K
Craters near the terminator are labeled, as are Apollo landing sites, maria, and other albedo features in sunlight.
Credits: Data visualization by Ernie Wright (USRA) Producer & Editor – David Ladd (USRA) Music Provided By: Universal Production Music -“Weightless” Composers: Erica Driscoll [BMI], Wally Gagel [ASCAP], Xandy Barry [ASCAP] Publishers: Killer Tracks [BMI], Open Note [ASCAP] This video is public domain and along with other supporting visualizations can be downloaded from the Scientific
) Earthtopomaps – Moon Phases 2020 – Southern Hemisphere – 4K
Visualization Studio at: http://svs.gsfc.nasa.gov/4769 Credit: NASA’s Goddard Space Flight Center/David Ladd If you liked this video:. Subscribe to the NASA Goddard YouTube channel:. http://www.youtube.com/NASAExplorer Follow NASA’s Goddard Space
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Concerning the lunar month of approximately 29.53 days as viewed from Earth. The lunar phase or Moon phase is the shape of the Moon‘s directly sunlit portion. Which can be expressed quantitatively using areas or angles. Or described qualitatively using the terminology of the four major phases (new moon, first quarter:. Full moon, last quarter) and four minor phases (waxing crescent, waxing gibbous, waning gibbous, and waning crescent).
The lunar phases gradually change over a synodic month (c. 29.53 days) as the orbital positions of the Moon around Earth, and Earth around the Sun, shift. The visible side of the Moon is variously sunlit, depending on the position of the Moon in its orbit. With the sunlit portion varying from 0% (at new moon) to nearly 100% (at full moon).
Each of the four major lunar phases is approximately 7.4 days±19 hours ( 6.58–8.24 days ) the variation being due to the eccentricity of the Moon’s orbit and thus it orbiting at varying speeds.
) Earthtopomaps – Moon Phases 2020 – Southern Hemisphere – 4K
See also:
Celebrate 50 years of space exploration in Google Earth
The Moon’s Orbit
In addition, this visualization shows the moon’s orbit position.
Full moon, last quarter) and four minor phases (waxing crescent, waxing gibbous, waning gibbous, and waning crescent).
Each of the four major lunar phases is approximately 7.4 days±19 hours ( 6.58–8.24 days ) the variation being due to the eccentricity of the Moon’s orbit and thus it orbiting at varying speeds.
Research
Revised September 16, 2023