Astronomy Picture of the Day · July 30, 2003

Frosty Mountains on Mars

The Astronomy Picture of the Day for July 30, 2003 is “Frosty Mountains on Mars,” an image. It is credited to Credit: MSSS , JPL , NASA. The original explanation runs about 140 words.

From the explanation

“What causes the unusual white color on some Martian mountains? The answer can be guessed by noticing that the bright areas disappear as springtime takes hold in the south of Mars: dry ice.”

— APOD editors, July 30, 2003

Read the full explanation on science.nasa.gov

At a glance

Date: July 30, 2003
Type: Image
Credit: Credit: MSSS , JPL , NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 140 words

All of July 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: July 30 in other years

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Source

Astronomy Picture of the Day, July 30, 2003 — science.nasa.gov/image-article/apod-2003-july-30-frosty-mountains-on-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.