How do astronomers measure the distances to stars and galaxies?
Share
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Astronomers use various methods to measure astronomical distances, including parallax, standard candles such as Cepheid variables and Type Ia supernovae, and redshifts of galaxies caused by the expansion of the universe. These distance indicators allow astronomers to map the three-dimensional structure of the cosmos.