Through a range of images, a photographer shows how Earth’s atmospheric blanket affects the way we see the moon in a rainbow of colors
, who has captured lunar variations for 10 years, chose 48 of her images to compare in this spiral montage.
The varied colors appear when the moon is seen or photographed through stratified and irregular gas layers of Earth’s atmospheric blanket. Tiny air molecules in the layers scatter light that hits them, and their structure causes blue light to scatter more readily than red or orange. When, for example, Pace photographs the moon through the densest air—as it rises and as it sits just above the horizon—this phenomenon is especially intense, glowing more red or orange. Other materials in the atmosphere—water droplets, dust, wildfire smoke—also influence the path of light and affect the moon’s hue, and those colors are specific to the suspended materials themselves.
The moon’s apparent shape also is altered as the light it emits travels through the stratified air. Because the atmosphere nearest Earth’s surface is much denser than high above, the path of light traveling those varied densities will bend. The result: The light’s source appears as a squished ellipse instead of a lunar disk.The daytime sky’s scattered blue light tints a just risen color-altered red moon .
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South Korea's moon mission snaps stunning Earth pics after successful lunar arrivalAndrew is a freelance space journalist with a focus on reporting on China's rapidly growing space sector. He began writing for Space.com in 2019 and writes for SpaceNews, IEEE Spectrum, National Geographic, Sky & Telescope, New Scientist and others. Andrew first caught the space bug when, as a youngster, he saw Voyager images of other worlds in our solar system for the first time. Away from space, Andrew enjoys trail running in the forests of Finland. You can follow him on Twitter AJ_FI.
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