meteoroid

• Petit corps solide se déplaçant dans le système solaire, généralement plus petit qu'un astéroïde, qui devient visible comme météore lors de son entrée dans l'atmosphère terrestre.

A small solid body moving in the solar system, typically smaller than an asteroid, that becomes visible as a meteor when it enters the Earth's atmosphere.

1. Small solar system objectB2formalscientific

   A small rocky or metallic body that travels through space within the solar system, and if it enters a planet's atmosphere it becomes a meteor.

   météoroïde

   • A meteoroid typically becomes visible as a shooting star when it enters Earth's atmosphere.
   • Scientists classify meteoroids by size and composition to understand the solar system's formation.
   • The meteoroid stream from a comet can produce an annual meteor shower.
   • If a meteoroid survives its passage through the atmosphere and strikes the ground, it is called a meteorite.