Astronomy Picture of the Day · January 2, 2021

21st Century Wet Collodion Moon

The Astronomy Picture of the Day for January 2, 2021 is “21st Century Wet Collodion Moon,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Mike Smolinsky). The original explanation runs about 209 words.

From the explanation

“In the mid 19th century, one of the first photographic technologies used to record the lunar surface was the wet-plate collodion process, notably employed by British astronomer Warren De la Rue .”

— APOD editors, January 2, 2021

Read the full explanation on science.nasa.gov

At a glance

Date: January 2, 2021
Type: Image
Credit: Credit: Image Credit & Copyright: Mike Smolinsky
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 209 words

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Topics in this entry

The Moon

Topics are matched from words in the title and explanation.

On this day: January 2 in other years

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Source

Astronomy Picture of the Day, January 2, 2021 — science.nasa.gov/image-article/apod-2021-january-2-21st-century-wet-collodion-moon

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.