Astronomy Picture of the Day · October 28, 2002

Earth's Richat Structure

The Astronomy Picture of the Day for October 28, 2002 is “Earth's Richat Structure,” an image. It is credited to Credit: Landsat 7 , USGS , NASA. The original explanation runs about 122 words.

From the explanation

“What on Earth is that? The Richat Structure in the Sahara Desert of Mauritania is easily visible from space because it is nearly 50 kilometers across.”

— APOD editors, October 28, 2002

Read the full explanation on science.nasa.gov

At a glance

Date: October 28, 2002
Type: Image
Credit: Credit: Landsat 7 , USGS , NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 122 words

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Source

Astronomy Picture of the Day, October 28, 2002 — science.nasa.gov/image-article/apod-2002-october-28-earths-richat-structure

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.