Pookaka Posted June 20, 2013 Share Posted June 20, 2013 I'm trying to fully understand the effects of time when travelling near the speed of light... Now, if people on a ship were travelling at 99% (roughly) the speed of light, I hear it will take about 80 years to reach the edge of our galaxy. My question is; is it 80 years for us on earth, or 80 years for the people on-board the ship? Link to comment Share on other sites More sharing options...
ajb Posted June 20, 2013 Share Posted June 20, 2013 My question is; is it 80 years for us on earth, or 80 years for the people on-board the ship?As measured by the people on-board the ship. 1 Link to comment Share on other sites More sharing options...
Enthalpy Posted June 20, 2013 Share Posted June 20, 2013 The Milky Way is bigger than that! http://en.wikipedia.org/wiki/Milky_Way we're about 20,000 light-years from the disk's edge. At 0.99*c, the contraction is 0.14, or 2,800 years for the travellers. 20,000 years observed from Earth. Link to comment Share on other sites More sharing options...
krash661 Posted June 20, 2013 Share Posted June 20, 2013 check this out, http://workshop.chromeexperiments.com/stars/ taking the tour explains how to navigate the site. Link to comment Share on other sites More sharing options...
Pookaka Posted June 20, 2013 Author Share Posted June 20, 2013 The Milky Way is bigger than that! http://en.wikipedia.org/wiki/Milky_Way we're about 20,000 light-years from the disk's edge. At 0.99*c, the contraction is 0.14, or 2,800 years for the travellers. 20,000 years observed from Earth. ok, i didn't actually do the maths... I was using an approximation from a documentary i watched. i guess they mean something more like 0.999*c anyway, i got the answer i was looking for =] check this out, http://workshop.chromeexperiments.com/stars/ taking the tour explains how to navigate the site. ah, i've seen this when it was first released. awesome project Link to comment Share on other sites More sharing options...
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