Astronomy Picture of the Day · September 7, 2011

SDSS J102915+172927: A Star That Should Not Exist

The Astronomy Picture of the Day for September 7, 2011 is “SDSS J102915+172927: A Star That Should Not Exist,” an image. It is credited to Image Credit: ESO , DSS2. The original explanation runs about 202 words.

From the explanation

“Why does this star have so few heavy elements? Stars born in the generation of our Sun have an expected abundance of elements heavier than hydrogen and helium mixed into their atmospheres.”

— APOD editors, September 7, 2011

Read the full explanation on science.nasa.gov

At a glance

Date: September 7, 2011
Type: Image
Credit: Credit: Image Credit: ESO , DSS2
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 202 words

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Topics in this entry

The Sun

Topics are matched from words in the title and explanation.

On this day: September 7 in other years

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Source

Astronomy Picture of the Day, September 7, 2011 — science.nasa.gov/image-article/apod-2011-september-7-j102815-a-star-that-should-not-exist

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.