Astronomy Picture of the Day ·

Planck Maps the Microwave Background

The Astronomy Picture of the Day for March 25, 2013 is “Planck Maps the Microwave Background,” an image. It is credited to Image Credit: European Space Agency , Planck Collaboration. The original explanation runs about 192 words.

Planck Maps the Microwave Background
Credit: Image Credit: European Space Agency , Planck Collaboration Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“What is our universe made of? To help find out, ESA launched the Planck satellite to map, in unprecedented detail, slight temperature differences on the oldest surface known — the background sky left billions of years ago when our universe first became transparent to light.”

— APOD editors, March 25, 2013

Read the full explanation on science.nasa.gov

At a glance

Date
March 25, 2013
Type
Image
Credit
Credit: Image Credit: European Space Agency , Planck Collaboration
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 192 words

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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.