Astronomy Picture of the Day · September 21, 2017

A September Morning Sky

The Astronomy Picture of the Day for September 21, 2017 is “A September Morning Sky,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Tamas Ladanyi ( TWAN )). The original explanation runs about 145 words.

From the explanation

“The Moon, three planets, and a bright star gathered near the ecliptic plane in the September 18 morning sky over Veszprem Castle, Hungary. In this twilight skyscape, Mercury and Mars still shine close to the eastern horizon, soon to disappear in the glare of the Sun.”

— APOD editors, September 21, 2017

Read the full explanation on science.nasa.gov

At a glance

Date: September 21, 2017
Type: Image
Credit: Credit: Image Credit & Copyright: Tamas Ladanyi ( TWAN )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 145 words

All of September 2017 → · 2017 by month → · Full archive since 1995 →

Topics in this entry

The Moon The Sun Mars

Topics are matched from words in the title and explanation.

On this day: September 21 in other years

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Source

Astronomy Picture of the Day, September 21, 2017 — science.nasa.gov/image-article/apod-2017-september-21-a-september-morning-sky

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.