Astronomy Picture of the Day ·

Olympus Mons on Mars: The Largest Volcano

The Astronomy Picture of the Day for September 15, 1997 is “Olympus Mons on Mars: The Largest Volcano,” an image. It is credited to Credit: Mariner 9, JPL, NASA. The original explanation runs about 120 words.

Olympus Mons on Mars: The Largest Volcano
Credit: Mariner 9, JPL, NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“The largest volcano in the Solar System is on Mars. Olympus Mons rises 24 kilometers high and measures 550 km across.”

— APOD editors, September 15, 1997

Read the full explanation on science.nasa.gov

At a glance

Date
September 15, 1997
Type
Image
Credit
Credit: Mariner 9, JPL, NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 120 words

All of September 1997 → · 1997 by month → · Full archive since 1995 →

Topics in this entry

Mars

Topics are matched from words in the title and explanation.

On this day: September 15 in other years

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Source

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.