D
dragon04
Guest
Or two.<br /><br />Please forgive my ignorance, but something occurred to me while I was reading the boards yesterday.<br /><br />Theoretically, you can never travel at c unless you have no mass.<br /><br />Yet, here I sit, typing this question receeding from some galaxy at the appropriate distance at a relative speed of c (or greater).<br /><br />So. Isn't inaccurate to say it's impossible to travel at light speed?<br /><br />Secondly, we estimate the age of the universe relative to us and what we observe.<br /><br />Is our recession rate taken into consideration when we estimate the age of the observable universe?<br /><br />And finally, if earth is receeding from some galaxy far, far away at c, is there any way to quantify the rate at which we accelerated to achieve c?<br /><br />It confuses me how I can can be sitting in this chair immobile while:<br /><br />The earth travels aroun the sun at x velocity and<br />The solar system travels aroun the galactic core at yv<br />The galaxy recedes from everything else at varying (up to and inlcuding c or c+) velocities relative to its position.<br /><br />I'm not moving, but moving. And I'm moving at essentially an infinite different number of differing velocities simultaneously.<br /><br />I guess I just need to hit the lottery and take up astrophysics in my retirement. Barring sudden good fortune and enrollment in a university, are there any texts out there that someone with only an algebra background could purchase to get a better understanding of all this?<br /><br /><br /><br /><br /><br /><br /> <div class="Discussion_UserSignature"> <em>"2012.. Year of the Dragon!! Get on the Dragon Wagon!".</em> </div>