Galactic — Limit -final- -hold-

Galactic Limit -Final- -Hold- ~~~~~~~ | | | GALACTIC | | LIMIT | | -FINAL- | | -HOLD- | |_______|

The causal boundary beyond which no signal, no matter how energetic, can ever overcome the metric expansion of space. Galactic Limit -Final- -Hold-

The "galactic noise limit" (approximately -143dB), which defines the noise floor for high-end receivers like the Astrophysics: Galactic Limit -Final- -Hold- ~~~~~~~ | | |