Astronomy Picture of the Day · November 12, 2003

Mars Then and Now

The Astronomy Picture of the Day for November 12, 2003 is “Mars Then and Now,” an image. The picture is copyrighted by its creator (Credit & Copyright: Tom Ruen , Eugene Antoniadi, Lowell Hess, Roy A. Gallant , HST , NASA). The original explanation runs about 182 words.

From the explanation

“Does Mars have canals? A hot debate topic of the late 1800s, several prominent astronomers including Percival Lowell not only claimed to see an extensive system of long straight canals on Mars, but used them to indicate that intelligent life exists there.”

— APOD editors, November 12, 2003

Read the full explanation on science.nasa.gov

At a glance

Date: November 12, 2003
Type: Image
Credit: Credit & Copyright: Tom Ruen , Eugene Antoniadi, Lowell Hess, Roy A. Gallant , HST , NASA
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 182 words

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Topics in this entry

Mars

Topics are matched from words in the title and explanation.

On this day: November 12 in other years

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Source

Astronomy Picture of the Day, November 12, 2003 — science.nasa.gov/image-article/apod-2003-november-12-mars-then-and-now

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.