Science
‘Farfarout’ is officially the most distant object in our solar system – Space.com
Farfarout now has an official designation: 2018 AG37.
It’s official: Farfarout is our solar system’s most distant known object.
The planetoid dubbed Farfarout was first detected in 2018
, at an estimated distance of 140 astronomical units (AU) from the sun farther away than any object had ever been observed. (One AU is the average Earth-sun distance about 93 million miles, or 150 million kilometers. For perspective, Pluto
orbits at an average distance of about 39 AU.)
Farfarout’s inherent brightness suggests a world roughly 250 miles (400 kilometers)…
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