3 ms·

Here is a 9 videos playlist (that I find helpful) about the methods astronomers use to measure the cosmic distances: https://www.youtube.com/playlist?list=PLEE8

by dyukqu 8y ago

Here is a 9 videos playlist (that I find helpful) about the methods astronomers use to measure the cosmic distances: https://www.youtube.com/playlist?list=PLEE8A6CB118FADED4 https://www.youtube.com/playlist?list=PLEE8A6CB118FADED4