Recent content by somethingswrong

I understand that. What I have trouble understanding is where does the result 24 years come from? It's too fast! How can we arrive 25 times faster than we would on Newton's terms? This is what Wikipedia has to say on proper velocity: I'm confused.

I'm starting to question my sanity. This wikipedia article claims a ship with a constant acceleration of 1g will cross 100000 light-years in 24 years by traveller's clock: https://en.wikipedia.org/wiki/Space_travel_using_constant_acceleration Numerous calculators over the web give you the same...