comet
US /ˈkɑː.mɪt/
UK /ˈkɑː.mɪt/
1.
cometa
a celestial object consisting of a nucleus of ice and dust and, when near the sun, a 'tail' of gas and dust particles pointing away from the sun.
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Halley's Comet is one of the most famous comets.
O Cometa Halley é um dos cometas mais famosos.
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The astronomer observed a new comet in the night sky.
O astrônomo observou um novo cometa no céu noturno.