Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun astronomy The status of a
planet (especially of a minor one, as opposed to an asteroid etc.)
Etymologies
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Examples
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Despite Downgrade, Pluto Adds to Entourage might not be a planet anymore, according to the definition of planethood adopted by the International Astronomical Union in 2006, but the icy little orb on the edge of the solar system still has a lot going on.
NYT > Home Page By DENNIS OVERBYE 2011
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Astrophysicists stripped Pluto of full planethood.
Carolyn Bucior: The Fabric of My Cosmos Carolyn Bucior 2012
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And because Pluto is rather large, this definition won't confer planethood on every last iceball beyond Neptune.
Ninth Rock From the Sun Ken Croswell 2010
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It preserves the planethood Pluto has enjoyed since its discovery.
Ninth Rock From the Sun Ken Croswell 2010
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From a story in today's NYT on evolving definitions of planethood:
Science Project 2010
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An entire blog (laurele. livejournal.com) arose to restore Pluto's planethood.
Ninth Rock From the Sun Ken Croswell 2010
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Someone suggested that Pluto is reddening because of its recent demotion from full planethood.
New Hubble Images Show Pluto is Changing | Universe Today 2010
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(Given how upset people got when Pluto was demoted from planethood, I can't wait to see how they'll react to Mars's exile.)
When Worlds Collide 2009
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We are meant, first of all, to be citizens of earth with all the love and responsible behavior that is required to be a hologram of planethood, one of Earth's human brain cells thinking planet-thoughts.
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Human multi-organism communities are to date not sophisticated enough to make the jump from nationhood to planethood.
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