The year in astronomy: a deeper look
Astronomy further examines some of the year's top stories.
Published:
November 22, 2004
Mike Brown talks about Sedna
On March 15, 2004, astronomers Mike Brown of Caltech, Chad Trujillo of Gemini Observatory, and David Rabinowitz of Yale University announced the discovery of the coldest, most distant object known to orbit the Sun. The team again returned its attention to Sedna in early September 2004, just as the frigid worldlet was becoming available to the Keck telescopes in Hawaii a few hours before night's end. |
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