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How many planets are in our solar system according to the IAU's 2006 definition? Answer with the whole number only.

Answer

8
sources
www.iau.org, en.wikipedia.org, iau (international astronomical union), resolution b5 "definition of a planet in the solar system", adopted 24 august 2006 (https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf); as summarized by iau and nasa educational materials, the solar system has 8 planets under this definition (mercury, venus, earth, mars, jupiter, saturn, uranus, neptune)., iau (international astronomical union), resolution b5 "definition of a planet in the solar system", adopted 24 august 2006 at the iau general assembly (https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf); under this definition the eight planets are mercury, venus, earth, mars, jupiter, saturn, uranus, and neptune., iau (international astronomical union), resolution b5 "definition of a planet in the solar system", adopted 24 august 2006 at the iau general assembly in prague, iau (international astronomical union), resolution b5 "definition of a planet in the solar system", adopted 24 august 2006 at the iau general assembly, prague, iau (international astronomical union), resolution b5 "definition of a planet in the solar system", adopted 24 august 2006 at the iau general assembly; also restated in nasa solar system exploration overview (solarsystem.nasa.gov), iau (international astronomical union), resolution b5 'definition of a planet in the solar system', adopted 24 august 2006 at the iau general assembly xxvi, prague; the resolution's definition yields eight planets: mercury, venus, earth, mars, jupiter, saturn, uranus, neptune, iau 2006 general assembly resolution b5 "definition of a planet in the solar system", which named eight planets (mercury, venus, earth, mars, jupiter, saturn, uranus, neptune) and reclassified pluto as a dwarf planet, iau 2006 general assembly resolution b5 ("definition of a planet in the solar system"), https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf, which defines 8 planets: mercury, venus, earth, mars, jupiter, saturn, uranus, neptune, and reclassifies pluto as a dwarf planet., iau 2006 general assembly resolution b5 (https://www.iau.org/public/themes/pluto/) defining 'planet' and reclassifying pluto as a dwarf planet, leaving eight planets: mercury, venus, earth, mars, jupiter, saturn, uranus, neptune, iau 2006 general assembly resolution b5, 'definition of a planet in the solar system' (adopted 24 august 2006), which recognizes 8 planets: mercury, venus, earth, mars, jupiter, saturn, uranus, neptune, iau general assembly resolution 5a (prague, 24 aug 2006), iau.org resolutions page; resolution 6a reclassifies pluto as a dwarf planet, iau resolution 5a (2006), as quoted on https://en.wikipedia.org/wiki/iau_definition_of_planet: "the eight planets are: mercury, venus, earth, mars, jupiter, saturn, uranus, and neptune.", iau resolution 5a/5b, 2006 (https://www.iau.org/news/pressreleases/detail/iau0603); resolution 5b names the eight classical planets mercury through neptune, iau resolution b5 "definition of a planet in the solar system" (adopted at the iau general assembly, prague, 24 august 2006), https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf, iau resolution b5 'definition of a planet in the solar system', adopted 24 august 2006 at the iau general assembly (https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf), which defines a planet and lists the eight recognized planets (mercury, venus, earth, mars, jupiter, saturn, uranus, neptune), reclassifying pluto as a 'dwarf planet'., iau resolution b5 (2006), "definition of a planet in the solar system", adopted by the iau general assembly, august 24, 2006 (iau.org); count of planets meeting this definition: mercury, venus, earth, mars, jupiter, saturn, uranus, neptune = 8, iau resolution b5 (2006), "definition of a planet in the solar system", international astronomical union, adopted at the xxvith general assembly, prague, 24 august 2006 (https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf); corroborated by nasa solar system exploration overview listing eight planets under the iau definition., iau resolution b5 (2006), 'definition of a planet in the solar system' - defines a planet as a body orbiting the sun, massive enough to be round from self-gravity, and having cleared its orbital neighborhood; under this definition the eight recognized planets are mercury, venus, earth, mars, jupiter, saturn, uranus, neptune (pluto is reclassified as a dwarf planet), iau resolution b5 (2006), 'definition of a planet in the solar system', adopted at the iau general assembly, prague, 24 august 2006 (https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf), iau resolution b5 (2006), 'definition of a planet in the solar system', adopted at the iau general assembly, prague, 24 august 2006 (iau.org/news/pressreleases/detail/iau0603/), iau resolution b5 (2006), 'definition of a planet in the solar system', adopted at the iau general assembly, prague, 24 august 2006 — defines 8 planets (mercury through neptune), iau resolution b5 (2006), 'definition of a planet in the solar system', adopted at the iau general assembly, prague, august 24, 2006 (iau.org); confirms eight planets: mercury, venus, earth, mars, jupiter, saturn, uranus, neptune, iau resolution b5 (2006), iau.org/public/themes/pluto/ and the iau resolutions page; corroborated by nasa solar system exploration planets page (science.nasa.gov/solar-system/planets), iau resolution b5 (24 august 2006), iau.org/public/themes/pluto/ and wikipedia 'planet' article citing it: eight planets (mercury through neptune)., iau resolution b5 (adopted 24 aug 2006, iau general assembly, prague), as published at iau.org/public/themes/pluto; the resolution text names eight planets., iau resolution b5, 'definition of a planet in the solar system', adopted 24 august 2006 (international astronomical union, https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf); as summarized by iau press release and nasa solar system exploration overview (https://solarsystem.nasa.gov/planets/overview/), iau resolution b5, 'definition of a planet in the solar system', adopted 24 august 2006 at the iau general assembly (https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf), iau resolution b5, definition of a planet in the solar system (2006), footnote 1: https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf, iau, "definition of a planet in the solar system", resolution b5, adopted 24 august 2006, iau 26th general assembly, prague, iau, resolution 5a of the 2006 general assembly (iau planet definition), and the iau's public description of the eight classical planets (iau.org, 'planets and dwarf planets')., international astronomical union, 2006 general assembly resolution results: https://www.iau.org/iau/iau/news/pr2006/iau-2006-general-assembly-resolution-votes.aspx, international astronomical union, resolution b5 "definition of a planet in the solar system" (iau 25th general assembly, prague, 24 august 2006): https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf — defines the 8 planets (mercury, venus, earth, mars, jupiter, saturn, uranus, neptune) and reclassifies pluto as a dwarf planet., international astronomical union, resolution b5 "definition of a planet in the solar system", adopted 24 august 2006 (iau.org/news/pressreleases/detail/iau0603) — establishes 8 planets (mercury, venus, earth, mars, jupiter, saturn, uranus, neptune) and demotes pluto to dwarf planet, international astronomical union, resolution b5 "definition of a planet in the solar system", adopted at the iau general assembly, prague, 24 august 2006 (https://www.iau.org/static/resolutions/resolution_ga26-5-6.pdf), international astronomical union, resolution b5 'definition of a planet in the solar system' (adopted 24 august 2006, iau 26th general assembly), which classifies mercury, venus, earth, mars, jupiter, saturn, uranus and neptune as the 8 planets of the solar system, science.nasa.gov, ssd.jpl.nasa.gov, wikipedia, 'iau definition of planet' (footnote on the 24 august 2006 final definition): 'the eight planets are: mercury, venus, earth, mars, jupiter, saturn, uranus, and neptune.', wikipedia, 'iau definition of planet' (states the iau has stated there are eight known planets in the solar system); cross-checked against the iau 2006 definition as described there, wikipedia, 'iau definition of planet' article: states the iau 2006 definition recognises eight planets. checked against the iau resolution text (iau.org pluto theme page returned 404 on fetch, so only the wikipedia source was read)., www.iau.org

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    #10018IAU 2006 General Assembly Resolution B5 "Definition of a Planet in the Solar System", which named eight planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune) and reclassified Pluto as a dwarf planet
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