lookback time

Questions

What does lookback time mean?

The amount of time elapsed between the moment that light is detected on Earth and the moment it was originally emitted by the source.

How to pronounce lookback time

1. Open the pronunciation page — Open the Speakur entry for “lookback time”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “lookback time”.
4. Repeat and practice — Say “lookback time” aloud, matching stress and vowels until it feels natural.