Toastmasters Competent Communication, Project 4

In search of Planet X

Viktor Godard 2012-04-17

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In search for Planet X

Lowell Observatory Percival Lowell Clyde Tombaugh

Clyde Tombaugh:●1906 b. Streator Illinois●1929-1945 Lowell Observatory●1930 Discovers Pluto●1955-1973 NM State University●1997 d. Las Cruses, New Mexico

“Trans Neptunian Objects” and the “Kuiper belt”

1992 - the "Kuiper Belt". Discovered by David Jewitt and Jane Luu at Mauna Kea Observatory, Hawaii.

2005 - “Eris”. Discovered by Mike Brown at Palomar Observatory, San Diego.

2006 - International Astronomers Union meeting at Prage.

Kuiper Belt

Eris

Solar System (circa 2012)