Astronomy Picture of the Day · August 24, 2003

Valles Marineris: The Grand Canyon of Mars

The Astronomy Picture of the Day for August 24, 2003 is “Valles Marineris: The Grand Canyon of Mars,” an image. It is credited to Credit: Viking Project ,. The original explanation runs about 132 words.

From the explanation

“The largest canyon in the Solar System cuts a wide swath across the face of Mars . Named Valles Marineris , the grand valley extends over 3,000 kilometers long, spans as much as 600 kilometers across, and delves as much as 8 kilometers deep.”

— APOD editors, August 24, 2003

Read the full explanation on science.nasa.gov

At a glance

Date: August 24, 2003
Type: Image
Credit: Credit: Viking Project ,
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 132 words

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Topics in this entry

Mars

Topics are matched from words in the title and explanation.

On this day: August 24 in other years

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Source

Astronomy Picture of the Day, August 24, 2003 — science.nasa.gov/image-article/apod-2003-august-24-valles-marineris-the-grand-canyon-of-mars

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.