Timeline for How fast would a spaceship have to go to reach Alpha Centauri within a person's lifetime?
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
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| Oct 17, 2023 at 21:59 | comment | added | Bill K | Note that even at less than 1g you could get there within 60 years from your POV The biggest problems at that point are carrying enough fuel to keep up the acceleration and not hitting tiny particles at relativistic speeds. (and everyone you ever knew being dead when you got home, of course) | |
| Aug 20, 2014 at 11:28 | history | edited | m0nhawk | CC BY-SA 3.0 |
added 2 characters in body
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| Oct 17, 2012 at 15:24 | comment | added | Lie Ryan | @ChrisF: I would expect the time needed to enter an orbit would be much less than 60 years. And therefore with correct calculations, it should be possible to decelerate the spaceship to stop somewhere in the vicinity of the target planet. | |
| Oct 17, 2012 at 12:49 | comment | added | m0nhawk | The relativistic factor is 1.003, if more precise. No more than a 60 and a half years. | |
| Oct 17, 2012 at 12:22 | comment | added | Yngve B-Nilsen | How much time would've passed for an observer left on earth? | |
| Oct 17, 2012 at 11:21 | comment | added | m0nhawk | I've added some calculation for constant $2g$ accelaration. | |
| Oct 17, 2012 at 11:21 | history | edited | m0nhawk | CC BY-SA 3.0 |
added 222 characters in body
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| Oct 17, 2012 at 11:13 | history | edited | m0nhawk | CC BY-SA 3.0 |
added relativism
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| Oct 17, 2012 at 11:12 | comment | added | ChrisF | Does this take into account the acceleration and deceleration needed to enter orbit? | |
| Oct 17, 2012 at 11:08 | history | answered | m0nhawk | CC BY-SA 3.0 |