Astronomy Picture of the Day ·

A Redshift Lookup Table for our Universe

The Astronomy Picture of the Day for April 8, 2013 is “A Redshift Lookup Table for our Universe,” an image. It is credited to Image Credit: Sergey V. Pilipenko ( LPI , MIPT ). The original explanation runs about 214 words.

A Redshift Lookup Table for our Universe
Credit: Image Credit: Sergey V. Pilipenko ( LPI , MIPT ) Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“How far away is “redshift six”? Although humans are inherently familiar with distance and time , what is actually measured for astronomical objects is redshift , a color displacement that depends on exactly how energy density has evolved in our universe.”

— APOD editors, April 8, 2013

Read the full explanation on science.nasa.gov

At a glance

Date
April 8, 2013
Type
Image
Credit
Credit: Image Credit: Sergey V. Pilipenko ( LPI , MIPT )
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 214 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.