4 ms·
No, it will be much less as seen from the ship. Seen from Earth, it'll be around 13 years (takes a year to got close to c and another to decelerate - that is t
by Eupolemos 7y ago
No, it will be much less as seen from the ship.
Seen from Earth, it'll be around 13 years (takes a year to got close to c and another to decelerate - that is two years to travel roughly a lightyear, then 11 to travel 11).