planet

     

A planet, as efined by the International Astronomical Union (IAU), is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.[a]

Trivia about planet

  • In 1995, 2 Swiss astronomers announced the first known one of these to orbit a star other than the sun
  • The name for this type of heavenly body comes from the Greek for "wanderer"
  • The "triple bottom line" concept urges companies to be successful, caring & green: "profit, people" & this "P"
  • This word is from the Greek for "wanderer"; the fact that the Earth was one wasn't figured out till later

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