Definición de planetesimal en inglés:


Saltos de línea: planet|esi¦mal
Pronunciación: /ˌplanɪˈtɛsɪm(ə)l


  • A minute planet; a body which could come together with many others under gravitation to form a planet.
    Más ejemplos en oraciones
    • Asteroids are small bodies in space - the numerous leftover planetesimals from which the planets were made nearly 4.6 billion years ago.
    • Although planets, moons and planetesimals may seem to be very different astronomically, their common origin shows that this is not so.
    • As planetesimals grow still larger, their gravitational attraction increases, allowing them to become even more effective at accreting nearby planetesimals.


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  • Denoting or relating to planetesimals: the planetesimal material orbiting the sun
    Más ejemplos en oraciones
    • Models of planetesimal disks suggest that low relative velocities between the bodies produce accretion (objects hit and stay together) rather than fragmentation (objects break up and disperse).
    • His greatest contribution, however, was his planetesimal hypothesis of the origin of the planets.
    • After all, planetesimal sized portions of the Solar System cannot be considered to be orbiting the Earth, except in the obvious case of the Moon.


early 20th century: from planet, on the pattern of infinitesimal.

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Palabra del día kerf
Pronunciación: kəːf
a slit made by cutting with a saw