Astronomy Picture of the Day ·

The Antikythera Mechanism

The Astronomy Picture of the Day for July 23, 2023 is “The Antikythera Mechanism,” an image. It is credited to Image Credit & License: Marsyas , Wikipedia. The original explanation runs about 162 words.

An old and corroded mechanism is shown fronted by a large wheel. The mechanism has patches of tan and brown color but it is mostly green. Please see the explanation for more detailed information.
Credit: Image Credit & License: Marsyas , Wikipedia Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“It does what? No one knew that 2,000 years ago, the technology existed to build such a device.”

— APOD editors, July 23, 2023

Read the full explanation on science.nasa.gov

At a glance

Date
July 23, 2023
Type
Image
Credit
Credit: Image Credit & License: Marsyas , Wikipedia
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 162 words

All of July 2023 → · 2023 by month → · Full archive since 1995 →

On this day: July 23 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

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.