The Moon appears more red/orange as it first begins to rise due to scattering of light by Earths atmosphere. When we view the Moon on the horizon, the moonlight has to pass through a greater distance of the atmosphere to our eyes. By this time light on the blue end of the visible spectrum has been scattered away thus we only see the longer wavelengths of visible light, yellow, orange or red. When the Moon is directly overhead (as is pictured here in the last frame), the moonlight has to pass through less of the atmosphere and thus appears as usual.


About the Image

Release date:29 July 2019, 15:30
Size:5568 x 3712 px

About the Object

Type:Solar System : Planet : Satellite
Category:Solar System

Image Formats

Large JPEG
1.3 MB
Publication JPEG
630.7 KB
Screensize JPEG
55.2 KB