Astronomy Picture of the Day ·

AR9077: Solar Magnetic Arcade

The Astronomy Picture of the Day for July 20, 2000 is “AR9077: Solar Magnetic Arcade,” an image. It is credited to Credit: TRACE , Stanford-Lockheed ISR, NASA. The original explanation runs about 161 words.

AR9077: Solar Magnetic Arcade
Credit: TRACE , Stanford-Lockheed ISR, NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“On July 14th , solar active region 9077 (AR9077) produced a massive flare . The event also blasted an enormous cloud of energetic charged particles toward planet Earth, triggering magnetic storms and dramatic auroral displays .”

— APOD editors, July 20, 2000

Read the full explanation on science.nasa.gov

At a glance

Date
July 20, 2000
Type
Image
Credit
Credit: TRACE , Stanford-Lockheed ISR, NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 161 words

All of July 2000 → · 2000 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: July 20 in other years

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Source

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.