3 ms·
Without a fixed point of reference, what is the difference?
by jhoechtl 4y ago
Without a fixed point of reference, what is the difference?
- 9991 4y agoThe difference is the expansion of space is accelerating over time. And certain wavelengths of light will be blocked by gas in the intervening space, and which light is blocked changes over time based on how red-shifted it is. Special Relativity isn't enough to explain this.