Planets
From Library of Congress Subject Headings
Planets
URI(s)
- http://id.loc.gov/authorities/subjects/sh85102653
- info:lc/authorities/sh85102653
- http://id.loc.gov/authorities/sh85102653#concept
Instance Of
Scheme Membership(s)
Collection Membership(s)
Broader Terms
Narrower Terms
Exact Matching Concepts from Other Schemes
Closely Matching Concepts from Other Schemes
Sources
- found: IAU Web site, Nov. 8, 2006 ("IAU [International Astronomical Union] members gathered at the 2006 General Assembly agreed that a planet is defined as a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit. That means that the Solar System consists of eight planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. A new distinct class of objects called dwarf planets was also decided. It was agreed that planets and dwarf planets are two distinct classes of objects. The first members of the dwarf planet category are Ceres, Pluto and 2003 UB313 (temporary name).")
LC Classification
- QB600-QB705
Change Notes
- 1986-02-11: new
- 2006-11-16: revised
Alternate Formats
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