Astronomy Picture of the Day ·

COBE Hotspots:The Oldest Structures Known

The Astronomy Picture of the Day for March 9, 1997 is “COBE Hotspots:The Oldest Structures Known,” an image. It is credited to COBE Hotspots: The Oldest Structures Known Credit: DMR, COBE, NASA, Four-Year Sky Map. The original explanation runs about 149 words.

COBE Hotspots:The Oldest Structures Known
Credit: COBE Hotspots: The Oldest Structures Known Credit: DMR, COBE, NASA, Four-Year Sky Map Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Explanation : Above are two images of the microwave sky, north and south of our galaxy’s equator , based on data from NASA’s COsmic Background Explorer (COBE) satellite . After computer processing to remove contributions from nearby objects and the effects of the earth’s motion , they show “spots”.”

— APOD editors, March 9, 1997

Read the full explanation on science.nasa.gov

At a glance

Date
March 9, 1997
Type
Image
Credit
Credit: COBE Hotspots: The Oldest Structures Known Credit: DMR, COBE, NASA, Four-Year Sky Map
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 149 words

All of March 1997 → · 1997 by month → · Full archive since 1995 →

Topics in this entry

Galaxies

Topics are matched from words in the title and explanation.

On this day: March 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.