Tag: neptune

Robert Brown, United States Air Force Academy – Trans-Neptunian Objects

Mar 6, 2019

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by

Academic Minute

in Astronomy

Is there a giant unknown planet beyond Neptune? Robert Brown, associate professor of Astronautics at the United States Air Force Academy, discusses whether Planet Nine is changing our solar system. Dr. Brown graduated from the U.S. Air Force Academy in 1986 and served as an AF officer for almost 21 years. During that time, he…