Astronomy Picture of the Day ·

Io: The Prometheus Plume

The Astronomy Picture of the Day for August 18, 1997 is “Io: The Prometheus Plume,” an image. It is credited to Credit: Galileo Project, JPL, NASA. The original explanation runs about 135 words.

Io: The Prometheus Plume
Credit: Galileo Project, JPL, NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Two sulfurous eruptions are visible on Jupiter’s volcanic moon Io in this color composite Galileo image . On the left, over Io’s limb, a new bluish plume rises about 86 miles above the surface of a volcanic caldera known as Pillan Patera.”

— APOD editors, August 18, 1997

Read the full explanation on science.nasa.gov

At a glance

Date
August 18, 1997
Type
Image
Credit
Credit: Galileo Project, JPL, NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 135 words

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

Topics in this entry

Jupiter

Topics are matched from words in the title and explanation.

On this day: August 18 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.