Monday, January 16, 2023

APOD - Moon Enhanced

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2023 January 16
Earth's Moon is pictured but shown with exaggerated details  and colors.   Please see the explanation for more detailed information.

Moon Enhanced
Image Credit & Copyright: Darya Kawa Mirza

Explanation: Our Moon doesn't really look like this. Earth's Moon, Luna, doesn't naturally show this rich texture, and its colors are more subtle. But this digital creation is based on reality. The featured image is a composite of multiple images and enhanced to bring up real surface features. The enhancements, for example, show more clearly craters that illustrate the tremendous bombardment our Moon has been through during its 4.6-billion-year history. The dark areas, called maria, have fewer craters and were once seas of molten lava. Additionally, the image colors, although based on the moon's real composition, are changed and exaggerated. Here, a blue hue indicates a region that is iron rich, while orange indicates a slight excess of aluminum. Although the Moon has shown the same side to the Earth for billions of years, modern technology is allowing humanity to learn much more about it -- and how it affects the Earth.

Tomorrow's picture: Andromeda, unexpected


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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
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& Michigan Tech. U.


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