@paulfuhlir Read the article please, then argue. http://nyti.ms/1yF44Z5
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Replying to @paulfuhlir
@paulfuhlir Why Pluto and Ceres then? Because they're round?1 reply 0 retweets 0 likes -
Replying to @kchangnyt
@paulfuhlir Stars can orbit other stars. Why not planets? (Parroting Alan Stern.) If Moon were same size as Earth, what would you call it?1 reply 0 retweets 0 likes -
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Replying to @paulfuhlir
@paulfuhlir Why should definition be limited to our solar system? Now 1,000 planets known around other stars.
5:40 PM - 19 Jan 2015
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