- #1
fugg
- 19
- 0
Hello. I was recently reading up on the furthest start found so far to have been dated to approximately 13.7 billion years ago if I remember correctly.
I'm curious though, how is the "age" of this light approximated? Photons themselves are radiation right soo...? Thanks in advance.
I'm curious though, how is the "age" of this light approximated? Photons themselves are radiation right soo...? Thanks in advance.