Astronomy Picture of the Day ·

Cyclone on Mars

The Astronomy Picture of the Day for May 20, 1999 is “Cyclone on Mars,” an image. It is credited to Credit: J. Bell (Cornell), S. Lee (Univ. Colorado), M. Wolff (SSI), et al., NASA. The original explanation runs about 178 words.

Cyclone on Mars
Credit: J. Bell (Cornell), S. Lee (Univ. Colorado), M. Wolff (SSI), et al., NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Late last month a team of Mars-watching astronomers sighted an immense cyclonic storm system raging near the Red Planet’s north pole. Their discovery picture , made with the Hubble Space Telescope on April 27, is seen at left while the projected insets (right) show closeups of the storm and surrounding areas.”

— APOD editors, May 20, 1999

Read the full explanation on science.nasa.gov

At a glance

Date
May 20, 1999
Type
Image
Credit
Credit: J. Bell (Cornell), S. Lee (Univ. Colorado), M. Wolff (SSI), et al., NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 178 words

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

Topics in this entry

MarsHubble Space Telescope

Topics are matched from words in the title and explanation.

On this day: May 20 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.