3 ms·
Yes
by pc86 5y ago
Yes
- ehsankia 5y agoWould the fact that space between here and there is stretching during that time impact that?
- raegis 5y agoThe light has traveled for 120 million years, but the galaxy today is further away because the universe has been expanding the entire time. So the distance between the position of the object 120 million years ago, and Earth today, is 120 million light years. I think :)
- sailingparrot 5y agoIt's not just objects getting more and more distant with time, it's spacetime itself stretching at every point. So, during it's 120M years journey, the photon had to travel the initial distance + new distance added by expansion rate. So when the photons we are receiving now left that star, that star was closer than 120M light years away. And that star is now further than 120M light years.
- shpx 5y ago, assuming that the speed of light is the same in both directions, which we can’t prove. https://en.wikipedia.org/wiki/One-way_speed_of_light https://en.wikipedia.org/wiki/One-way_speed_of_light https://youtu.be/pTn6Ewhb27k https://youtu.be/pTn6Ewhb27k