Astronomy Picture of the Day ·

Planck Maps the Microwave Background

The Astronomy Picture of the Day for July 22, 2018 is “Planck Maps the Microwave Background,” an image. It is credited to Image Credit: European Space Agency , Planck Collaboration. The original explanation runs about 185 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 from 2009 to 2013 to map, in unprecedented detail, slight temperature differences on the oldest optical surface known — the background sky when our universe first became transparent to light.”

— APOD editors, July 22, 2018

Read the full explanation on science.nasa.gov

At a glance

Date
July 22, 2018
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 185 words

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Topics in this entry

Hubble Space Telescope

Topics are matched from words in the title and explanation.

On this day: July 22 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.