So what if we do find Earth's twin?

[mrsensi420]

<p>&nbsp;</p><p>&nbsp;</p><p><font size="4">and how long do we have to wait to inhabited the nuked planet?</font></p>

 

[lightfront]

<p>In regards to whether increases in technology will cause later missions to pass earlier missions, check out:</p><p>http://en.wikipedia.org/wiki/Interstellar_travel_and_the_Wait_Calculation </p> <div class="Discussion_UserSignature"> </div>