Astronomy Picture of the Day · June 29, 2015

Sunspot Group AR 2339 Crosses the Sun

The Astronomy Picture of the Day for June 29, 2015 is “Sunspot Group AR 2339 Crosses the Sun,” a video. The video is copyrighted by its creator (Images Credit: NASA , SDO ; Video compilation & Copyright: Stanislav Korotkiy ( AstroAlert ) & Mikhail Chubarets; Music: Pas de Deux (Bird Creek)). The original explanation runs about 180 words.

From the explanation

“How do sunspots evolve? Large dark sunspot s — and the active regions that contain them — may last for weeks, but all during that time they are constantly changing.”

— APOD editors, June 29, 2015

Read the full explanation on science.nasa.gov

At a glance

Date: June 29, 2015
Type: Video
Credit: Credit: Images Credit: NASA , SDO ; Video compilation & Copyright: Stanislav Korotkiy ( AstroAlert ) & Mikhail Chubarets; Music: Pas de Deux (Bird Creek)
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 180 words

All of June 2015 → · 2015 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: June 29 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

Electronics Amazon Kindle Paperwhite Signature Edition 32GB Read astronomy and space-history books anywhere. View on Amazon → Electronics Bose QuietComfort Wireless Headphones Noise-cancelling headphones for documentaries and launch livestreams. View on Amazon →

Source

Astronomy Picture of the Day, June 29, 2015 — science.nasa.gov/image-article/apod-2015-june-29-sunspot-group-ar-2339-crosses-the-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.