The search for our solar system's ninth planet | Mike Brown
TED Talks Daily
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Unraveling the Mystery of Sedna and Its Elongated Orbit
This chapter explores the intriguing discovery of Sedna, a distant celestial body initially misidentified as just another icy entity. It examines Sedna's unique 10,000-year orbit and its implications for our understanding of the solar system's formation, along with the excitement surrounding the search for similar objects beyond Neptune.
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