There’s a math error. Alice moving at 5m/s relative to Bob’s reference frame wouldn’t create a 15-day difference in the arrival of photons from 2.5m lightyears distant.

Anyone who enjoys my articles here on Medium may be interested in my books Why Democracy Failed and The Praying Ape, both available from Amazon.

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store