Astronomy Picture of the Day · August 20, 2008

Earth's Shadow

The Astronomy Picture of the Day for August 20, 2008 is “Earth's Shadow,” an image. The picture is copyrighted by its creator (Credit & Copyright: Anthony Ayiomamitis ( TWAN )). The original explanation runs about 122 words.

From the explanation

“The dark, inner shadow of planet Earth is called the umbra . Shaped like a cone extending into space, the umbra has a circular cross section that can be most easily seen during a lunar eclipse .”

— APOD editors, August 20, 2008

Read the full explanation on science.nasa.gov

At a glance

Date: August 20, 2008
Type: Image
Credit: Credit & Copyright: Anthony Ayiomamitis ( TWAN )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 122 words

All of August 2008 → · 2008 by month → · Full archive since 1995 →

Topics in this entry

The Moon Eclipses

Topics are matched from words in the title and explanation.

On this day: August 20 in other years

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Source

Astronomy Picture of the Day, August 20, 2008 — science.nasa.gov/image-article/apod-2008-august-20-earths-shadow

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.