deep space

• Espace au-delà de l'atmosphère terrestre ou du système solaire, désignant généralement les vastes distances vides entre les corps célestes, souvent lié à l'exploration interplanétaire ou interstellaire.

The region of space beyond the Earth's atmosphere or beyond the solar system, typically referring to vast, empty distances between celestial bodies.

1. Region of space beyond the solar systemB2formal

   The vast, mostly empty region of space that lies far beyond the Earth's solar system, typically beyond the orbit of the Moon or the influence of the Sun.

   espace lointain

   • The Voyager probes are now traveling through deep space.
   • Astronomers use powerful telescopes to study objects in deep space.
   • Deep space is characterized by extremely low density and radiation.

2. Interstellar or intergalactic spaceB2informal

   The area of space between stars or galaxies, often used in science fiction to refer to remote, unexplored regions.

   espace profond

   • In the movie, the spaceship traveled through deep space for centuries.
   • Deep space missions require advanced life support systems.
   • Scientists are searching for signals from deep space.