Astronomy Picture of the Day · October 21, 2004

Apogee Moon, Perigee Moon

The Astronomy Picture of the Day for October 21, 2004 is “Apogee Moon, Perigee Moon,” an image. The picture is copyrighted by its creator (Credit & Copyright: António Cidadão). The original explanation runs about 143 words.

From the explanation

“Why don’t these pieces fit? This third quarter Moon (left) and first quarter Moon were both photographed during the last lunar cycle or lunation with the same telescope and camera.”

— APOD editors, October 21, 2004

Read the full explanation on science.nasa.gov

At a glance

Date: October 21, 2004
Type: Image
Credit: Credit & Copyright: António Cidadão
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 143 words

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Topics in this entry

The Moon

Topics are matched from words in the title and explanation.

On this day: October 21 in other years

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Source

Astronomy Picture of the Day, October 21, 2004 — science.nasa.gov/image-article/apod-2004-october-21-apogee-moon-perigee-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.