Astronomy Picture of the Day · September 29, 2001

The Iron Sun

The Astronomy Picture of the Day for September 29, 2001 is “The Iron Sun,” an image. It is credited to Credit: SOHO – EIT Consortium , ESA , NASA. The original explanation runs about 139 words.

From the explanation

“The ultraviolet light emitted by eleven times ionized iron at temperatures over 2 million degrees Farenheit was used to record the above picture of the Sun on September 22, the date of the autumnal equinox .”

— APOD editors, September 29, 2001

Read the full explanation on science.nasa.gov

At a glance

Date: September 29, 2001
Type: Image
Credit: Credit: SOHO – EIT Consortium , ESA , NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 139 words

All of September 2001 → · 2001 by month → · Full archive since 1995 →

Topics in this entry

The Sun

Topics are matched from words in the title and explanation.

On this day: September 29 in other years

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Source

Astronomy Picture of the Day, September 29, 2001 — science.nasa.gov/image-article/apod-2001-september-29-the-iron-sun

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.