You may think you know about time dilation in an expanding universe... but do you have it right? Watch to find out.
The image with the supernova light curves is from:
https://astronomy.swin.edu.au/cosmos/...
See Also:
Episode 1: • The REAL reason for cosmic redshift | None...
Episode 2: • Dark Energy: Do We Need it? Is it real? | ...
Episode 4: • Is the cosmic turnaround REAL? | Nonexpand...