Astronomy Picture of the Day · April 25, 1999

Mimas: Small Moon with a Big Crater

The Astronomy Picture of the Day for April 25, 1999 is “Mimas: Small Moon with a Big Crater,” an image. It is credited to Credit: Voyager 1, NASA. The original explanation runs about 111 words.

From the explanation

“Mimas is one of the smaller moons of Saturn but shows one of the largest impact craters. In fact, if the impact had been much greater, it would have disrupted the entire satellite .”

— APOD editors, April 25, 1999

Read the full explanation on science.nasa.gov

At a glance

Date: April 25, 1999
Type: Image
Credit: Credit: Voyager 1, NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 111 words

All of April 1999 → · 1999 by month → · Full archive since 1995 →

Topics in this entry

The Moon Saturn

Topics are matched from words in the title and explanation.

On this day: April 25 in other years

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Source

Astronomy Picture of the Day, April 25, 1999 — science.nasa.gov/image-article/apod-1999-april-25-mimas-small-moon-with-a-big-crater

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.