4 ms·
> galaxies that are far enough away from us (more than a few tens of billions of light-years) will always recede from us faster than the speed of light Wait, h
by pjungwir 12y ago
> galaxies that are far enough away from us (more than a few tens of billions of light-years) will always recede from us faster than the speed of light
Wait, how is that possible??
- leni536 12y agoIt's not possible in special relativity. However in general relativity the geometry of space can change dramatically in the function of time and it still doesn't hurt causality and local Lorentz-invariance.
- pdkl95 12y agohttps://www.youtube.com/watch?v=XBr4GkRnY04 https://www.youtube.com/watch?v=XBr4GkRnY04 Veritassium did a video that explains this.