2 ms·
Yes. Even if the creation events of each part of the spectrum are at the exact same time (which is unlikely) there is going to be matter in between the event a
by Baeocystin 8y ago
Yes. Even if the creation events of each part of the spectrum are at the exact same time (which is unlikely) there is going to be matter in between the event and us. That matter will slow the rate of light's propagation.
- mirimir 8y agoAh. Didn't think of that. Edit: And I didn't see Animats' comment that EM radiation was delayed ~2 seconds. But also that the speed difference was very small.