Astronomy Picture of the Day · July 20, 1995

The Grand Canyon of Mars

The Astronomy Picture of the Day for July 20, 1995 is “The Grand Canyon of Mars,” an image. It is credited to NASA,Viking Project,USGS. The original explanation runs about 96 words.

From the explanation

“The Mariner Valley, also known as the Valles Marineris canyon system, appears in this mosaic of images from NASA’s Viking spacecraft as a huge gouge across the red planet. This “Grand Canyon” of Mars is about 2500 miles long and up to 4 miles deep.”

— APOD editors, July 20, 1995

Read the full explanation on science.nasa.gov

At a glance

Date: July 20, 1995
Type: Image
Credit: Credit: NASA,Viking Project,USGS
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 96 words

All of July 1995 → · 1995 by month → · Full archive since 1995 →

Topics in this entry

Mars

Topics are matched from words in the title and explanation.

On this day: July 20 in other years

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Source

Astronomy Picture of the Day, July 20, 1995 — science.nasa.gov/image-article/apod-1995-july-20-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.