Astronomy Picture of the Day ·

Edwin Hubble Discovers the Universe

The Astronomy Picture of the Day for October 6, 2023 is “Edwin Hubble Discovers the Universe,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Courtesy Carnegie Institution for Science). The original explanation runs about 193 words.

Edwin Hubble Discovers the Universe
Credit: Image Credit & Copyright: Courtesy Carnegie Institution for Science Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“How big is our universe? This question, among others , was debated by two leading astronomers in 1920 in what has since become known as astronomy’s Great Debate .”

— APOD editors, October 6, 2023

Read the full explanation on science.nasa.gov

At a glance

Date
October 6, 2023
Type
Image
Credit
Credit: Image Credit & Copyright: Courtesy Carnegie Institution for Science
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 193 words

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Topics in this entry

Andromeda GalaxyGalaxiesHubble Space Telescope

Topics are matched from words in the title and explanation.

On this day: October 6 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.