Astronomy Picture of the Day · May 20, 2013

Blue Sun Bursting

The Astronomy Picture of the Day for May 20, 2013 is “Blue Sun Bursting,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Alan Friedman ( Averted Imagination )). The original explanation runs about 137 words.

From the explanation

“Our Sun is not a giant blueberry. Our Sun can be made to appear similar to the diminutive fruit , however, by imaging it in a specific color of extreme violet light called CaK that is emitted by the very slight abundance of ionized Calcium in the Sun’s atmosphere , and then false color-inverting the image.”

— APOD editors, May 20, 2013

Read the full explanation on science.nasa.gov

At a glance

Date: May 20, 2013
Type: Image
Credit: Credit: Image Credit & Copyright: Alan Friedman ( Averted Imagination )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 137 words

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Topics in this entry

The Sun

Topics are matched from words in the title and explanation.

On this day: May 20 in other years

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Source

Astronomy Picture of the Day, May 20, 2013 — science.nasa.gov/image-article/apod-2013-may-20-blue-sun-bursting

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.