spectre radioélectrique

Les allocations mondiales coordonnent les liaisons spatiales et terrestres afin de minimiser les interférences avec la radioastronomie et les autres utilisateurs.

Articles about spectre radioélectrique

Physics
Two Black Holes Photographed Together

Two Black Holes Photographed Together
Astronomers have published the first radio image that resolves two supermassive black holes orbiting each other at the heart of quasar OJ287, confirming a decades‑old prediction a…
Space
Earth’s Magnetic Whispers

Earth’s Magnetic Whispers
Spacecraft have recorded 'chirping' radio emissions far from Earth’s surface — a discovery that rewrites where and how magnetospheric waves form and raises fresh questions about s…