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planet
[ plan-it ]
noun
- Astronomy.
- Also called major planet. any of the eight large heavenly bodies revolving about the sun and shining by reflected light: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, or Neptune, in the order of their proximity to the sun. Until 2006, Pluto was classified as a planet ninth in order from the sun; it has been reclassified as a dwarf planet.
- a similar body revolving about a star other than the sun.
- (formerly) a celestial body moving in the sky, as distinguished from a fixed star, applied also to the sun and moon.
- Astrology. the sun, moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, or Pluto: considered sources of energy or consciousness in the interpretation of horoscopes.
planet
/ ˈæɪ /
noun
- Also calledmajor planet any of the eight celestial bodies, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, that revolve around the sun in elliptical orbits and are illuminated by light from the sun
- Also calledextrasolar planet any other celestial body revolving around a star, illuminated by light from that star
- astrology any of the planets of the solar system, excluding the earth but including the sun and moon, each thought to rule one or sometimes two signs of the zodiac See also house
planet
- In the traditional model of solar systems, a celestial body larger than an asteroid or comet, illuminated by light from a star, such as the Sun, around which it revolves.
- A celestial body that orbits the Sun, has sufficient mass to assume nearly a round shape, clears out dust and debris from the neighborhood around its orbit, and is not a satellite of another planet. The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto was considered to be a planet until its reclassification in 2006 as a dwarf planet. A planetlike body with more than about ten times the mass of Jupiter would be considered a brown dwarf rather than a planet.
- See also extrasolar planet
Notes
Word History and Origins
Origin of planet1
Word History and Origins
Origin of planet1
Example Sentences
Such events are only likely to become more severe and happen more often, as the planet continues to get hotter due to humanity's emissions of planet-warming gases.
Bringing back samples from the Red Planet would help us beat the Chinese, send humans into space and learn about how planets form.
But the full implications of those cuts for the nation’s ability to accurately interpret dynamic changes in the planet’s weather and to predict long-term warming scenarios through its modeling arm in Princeton have not.
A first-of-its-kind satellite due to launch on Tuesday will be able to see through clouds and leafy canopies to assess how they are protecting the planet from climate change.
“I was like, ‘You are already one of the best pitchers on the planet,’” Hernández recounted.
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