Astronomy Picture of the Day · March 20, 2009

Sunset at the Portara

The Astronomy Picture of the Day for March 20, 2009 is “Sunset at the Portara,” an image. The picture is copyrighted by its creator (Credit & Copyright: Anthony Ayiomamitis ( TWAN )). The original explanation runs about 152 words.

From the explanation

“Today, the Sun crosses the celestial equator heading north at 11:44 UT . Known as an equinox, this astronomical event marks the first day of spring in the northern hemisphere and autumn in the south.”

— APOD editors, March 20, 2009

Read the full explanation on science.nasa.gov

At a glance

Date: March 20, 2009
Type: Image
Credit: Credit & Copyright: Anthony Ayiomamitis ( TWAN )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 152 words

All of March 2009 → · 2009 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: March 20 in other years

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Source

Astronomy Picture of the Day, March 20, 2009 — science.nasa.gov/image-article/apod-2009-march-20-sunset-at-the-portara

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.