The Curiosity Corner
·7 min read
How Far Into the Past Can We See?
The oldest light in the sky shows us a time before the first stars. Sagan's cosmic calendar shows how far back that is.
#cosmology
1 post tagged with "cosmology"
1 post tagged with "cosmology"
The oldest light in the sky shows us a time before the first stars. Sagan's cosmic calendar shows how far back that is.