Astronomy Picture of the Day · July 31, 1999

X-Ray Triple Jet

The Astronomy Picture of the Day for July 31, 1999 is “X-Ray Triple Jet,” an image. It is credited to Credit: ISAS, Yohkoh Project, SXT Group. The original explanation runs about 160 words.

From the explanation

“Recorded on July 7, 1998 , this animation using X-ray images of the Sun shows an amazing event – three nearly simultaneous jets connected with solar active regions. The two frames were taken several hours apart by the Soft X-ray Telescope on board the orbiting Yohkoh observatory .”

— APOD editors, July 31, 1999

Read the full explanation on science.nasa.gov

At a glance

Date: July 31, 1999
Type: Image
Credit: Credit: ISAS, Yohkoh Project, SXT Group
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 160 words

All of July 1999 → · 1999 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 31 in other years

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Source

Astronomy Picture of the Day, July 31, 1999 — science.nasa.gov/image-article/apod-1999-july-31-x-ray-triple-jet

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.