β = v/c =
0.80
Trip distance =
4.0
ly
🚀 Launch journey
↺ Reset
🏠 Earth Twin elapsed
0.0
years
🚀 Rocket Twin elapsed
0.0
years
⏱ Age difference
0.0
years younger
γ =
1.667
Earth frame trip =
10.0
yr
Rocket proper time =
6.0
yr
Set β and distance, then press Launch journey