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Chadwick Trujillo

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description Chadwick Trujillo Overview

Chadwick Trujillo is an American astronomer specializing in the discovery of trans-Neptunian objects in the distant outer solar system. He co-discovered the dwarf planet Eris in 2005 alongside Mike Brown and David Rabinowitz, a finding that directly led to the reclassification of Pluto. Trujillo has also identified other significant bodies, including Sedna and Orcus, and his ongoing research focuses on mapping the outer reaches of the solar system.

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What dwarf planet did Chadwick Trujillo co-discover?

Chadwick Trujillo co-discovered the dwarf planet Eris in 2005 alongside Mike Brown and David Rabinowitz. The discovery of Eris, which is roughly the same size as Pluto, directly triggered the International Astronomical Union to reclassify Pluto as a dwarf planet in 2006.

What other notable objects in the solar system did Chadwick Trujillo discover?

Besides Eris, Trujillo has co-discovered numerous other large trans-Neptunian objects. Some of his most famous discoveries include the dwarf planet candidates Sedna and Quaoar, as well as the scattered disc object Gonggong.

What is Chadwick Trujillo's connection to the search for Planet Nine?

Trujillo and his colleague Scott Sheppard published a paper in 2014 detailing the unusual orbits of Sedna and similar distant bodies. Their findings provided some of the earliest evidence suggesting the existence of a massive, unseen ninth planet in the outer solar system.

Where does astronomer Chadwick Trujillo conduct his research?

Trujillo is an American astronomer who has worked extensively with major observatories. He has held research positions at the Gemini Observatory in Hawaii and Northern Arizona University, focusing his efforts on mapping the outer solar system.

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