Astronomy Picture of the Day · August 9, 2001

Tycho and Copernicus: Lunar Ray Craters

The Astronomy Picture of the Day for August 9, 2001 is “Tycho and Copernicus: Lunar Ray Craters,” an image. The picture is copyrighted by its creator (Credit & Copyright: Steve Mandel , Hidden Valley Observatory). The original explanation runs about 140 words.

From the explanation

“Dazzling in binoculars or a small telescope, the Moon is pocked with impact craters. During partial lunar phases , the craters along the terminator are cast in dramatic relief by strong shadows.”

— APOD editors, August 9, 2001

Read the full explanation on science.nasa.gov

At a glance

Date: August 9, 2001
Type: Image
Credit: Credit & Copyright: Steve Mandel , Hidden Valley Observatory
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 140 words

All of August 2001 → · 2001 by month → · Full archive since 1995 →

Topics in this entry

The Moon

Topics are matched from words in the title and explanation.

On this day: August 9 in other years

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Source

Astronomy Picture of the Day, August 9, 2001 — science.nasa.gov/image-article/apod-2001-august-9-tycho-and-copernicus-lunar-ray-craters

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.