The system emits signals from a transmitter with three antennas in Moscow, Me.

According to general relativity, a binary system will emit gravitational waves, thereby losing energy.

Just then the system emitted a bell-like tone.

If such a system emits signals that can be directly traced back to the compact object, it cannot be a black hole.

The system emits a sound pulse, that reflects off objects and then back to the system.

This was initial proof that the system of these two moving masses emit gravitational waves.

The system emits a beep that becomes more insistent, eventually as a single tone, the closer the vehicle gets to the object.

All electronic systems emit some unwanted radio frequency energy.

The system emits a fine mist of heated water that clears frost without damaging the windshield itself.

In a neutral atom, the system will emit a photon of the difference in energy.