planet vs shooting star

planet

noun
  • Each of the seven major bodies which move relative to the fixed stars in the night sky—the Moon, Mercury, Venus, the Sun, Mars, Jupiter and Saturn. 

  • A body which is massive enough to be in hydrostatic equilibrium (generally resulting in being an ellipsoid) but not enough to attain nuclear fusion and, in IAU usage, which directly orbits a star (or star cluster) and dominates the region of its orbit; specifically, in the case of the Solar system, the eight major bodies of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. 

  • construed with the or this: synonym of Earth. 

shooting star

noun
  • A meteor, especially a streak of light in the night sky, caused by a meteoroid burning up as it enters the Earth’s atmosphere. 

  • Any of several wild flowering plants in the genus Dodecatheon, mostly found in Western North America. 

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