Astronomy Picture of the Day · February 18, 2003

Candor and Ophir Chasmata

The Astronomy Picture of the Day for February 18, 2003 is “Candor and Ophir Chasmata,” an image. It is credited to Credit: Viking Project , NASA. The original explanation runs about 122 words.

From the explanation

“First imaged by the Mariner 9 spacecraft, Valles Marineris , the grand canyon of Mars, is a system of enormous depressions called chasmata that stretch some 4,000 kilometers along the Martian equator.”

— APOD editors, February 18, 2003

Read the full explanation on science.nasa.gov

At a glance

Date: February 18, 2003
Type: Image
Credit: Credit: Viking Project , NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 122 words

All of February 2003 → · 2003 by month → · Full archive since 1995 →

Topics in this entry

Mars

Topics are matched from words in the title and explanation.

On this day: February 18 in other years

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Source

Astronomy Picture of the Day, February 18, 2003 — science.nasa.gov/image-article/apod-2003-february-18-candor-and-ophir-chasmata

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.