Gonzalo Tancredi | |
|---|---|
.jpg) Tancredi in 2022 | |
| Born | (1963-03-08)March 8, 1963 |
| Known for | Often-cited list ofdwarf planets |
| Scientific career | |
| Fields | Astronomy |
| Institutions | Los Molinos Observatory, Full Professor of Astronomy at theUniversity of the Republic |
Gonzalo Tancredi (born 8 March 1963) is anUruguayanastronomer and full professor in the Department of Astronomy at theUniversity of the Republic inMontevideo, Uruguay.[1] He is an active member of theInternational Astronomical Union (IAU) and investigator atLos Molinos Observatory.[2]
His 2010evaluation of potential dwarf planets[3] was considered by the IAU, though never acted on. The Themistian asteroid5088 Tancredi has been named after him.[4]
In 2006, Tancredi was one of a number of dissenters at theIAU'smeeting to establish the first definition of "planet." As an alternative to the IAU's draft proposal, which had includedPluto, its moonCharon andCeres among the planets, Tancredi with his Uruguayan colleagueJulio Ángel Fernández proposed a definition where they reserved the term "planet" only for those objects in theSolar System which hadcleared their neighbourhoods ofplanetesimals, describing those objects which had not cleared their orbits yet retained a spherical shape as "planetoids."[5] The IAU's final definition incorporated much of Fernández and Tancredi's proposal, though the objects were christened "dwarf planets."[6]
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