Astronomy Picture of the Day · January 1, 2023

The Largest Rock in our Solar System

The Astronomy Picture of the Day for January 1, 2023 is “The Largest Rock in our Solar System,” an image. It is credited to Image Credit: NASA , Voyager 1 spacecraft. The original explanation runs about 150 words.

The featured image shows several streaks on a dark background with a pale blue dot in one of the streaks. Please see the explanation for more detailed information. — Credit: Image Credit: NASA , Voyager 1 spacecraft Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“There, that dot on the right, that’s the largest rock known in our Solar System . It is larger than every known asteroid , moon , and comet nucleus .”

— APOD editors, January 1, 2023

Read the full explanation on science.nasa.gov

At a glance

Date: January 1, 2023
Type: Image
Credit: Credit: Image Credit: NASA , Voyager 1 spacecraft
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 150 words

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Topics in this entry

Comets Asteroids

Topics are matched from words in the title and explanation.

On this day: January 1 in other years

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Source

Astronomy Picture of the Day, January 1, 2023 — science.nasa.gov/image-article/apod-2023-january-1-the-largest-rock-in-our-solar-system

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.