Astronomy Picture of the Day · January 8, 2001

Help NASA Classify Martian Craters

The Astronomy Picture of the Day for January 8, 2001 is “Help NASA Classify Martian Craters,” an image. It is credited to Credit: Sonie Lau , NASA Ames. The original explanation runs about 138 words.

From the explanation

“The large Martian crater above just left of center: is this a fresh crater, a degraded crater, or a ghost crater? Complex image recognition tasks like these are currently done more reliably by a human than a computer.”

— APOD editors, January 8, 2001

Read the full explanation on science.nasa.gov

At a glance

Date: January 8, 2001
Type: Image
Credit: Credit: Sonie Lau , NASA Ames
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 138 words

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

Topics in this entry

Mars

Topics are matched from words in the title and explanation.

On this day: January 8 in other years

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Source

Astronomy Picture of the Day, January 8, 2001 — science.nasa.gov/image-article/apod-2001-january-8-help-nasa-classify-martian-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.