Astronomy Picture of the Day ·

X-Ray Moon and X-Ray Star

The Astronomy Picture of the Day for September 9, 2000 is “X-Ray Moon and X-Ray Star,” an image. It is credited to Credit: ROSAT Mission , MPE , ESA. The original explanation runs about 142 words.

X-Ray Moon and X-Ray Star
Credit: ROSAT Mission , MPE , ESA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“An x-ray star winks out behind the Moon in these before (left) and after views of a lunar occultation of the galactic x-ray source designated GX5-1 . The false color images were made using data from the ROSAT (ROentgen SATellite), orbiting observatory.”

— APOD editors, September 9, 2000

Read the full explanation on science.nasa.gov

At a glance

Date
September 9, 2000
Type
Image
Credit
Credit: ROSAT Mission , MPE , ESA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 142 words

All of September 2000 → · 2000 by month → · Full archive since 1995 →

Topics in this entry

The Moon

Topics are matched from words in the title and explanation.

On this day: September 9 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.