Artist's conception of Sedna, the most distant known object in our solar system. This dark red, Pluto-sized body has a highly elliptical orbit, potentially originating from the Oort Cloud. Its unusual color and orbit are sparking new research into the outer reaches of our solar system.

Astronomy Picture from 16/03/2004

Sedna of the Outer Solar System

Source: https://apod.nasa.gov/apod/ap040316.html


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