Distances to a nearby galaxy can be determined MOST accurately by:
A) using pulsating stars as beacons.
B) measuring the chemical compositions of the brightest stars.
C) measuring the shifts of spectral lines from the Milky Way Galaxy.
D) measuring the total amount of energy received from the Milky Way Galaxy.
Correct Answer:
Verified
Q1: In the 1920s,Edwin Hubble began answering the
Q4: The famous Curtis-Shapley debate in 1920 concerned
Q5: Variable stars such as Cepheid variables are
Q5: The Milky Way Galaxy
A) is one of
Q6: The idea that some of the nebulae
Q6: The period-luminosity relationship for Cepheid variable stars,relating
Q9: What important role do Cepheid variables stars
Q10: You are looking through a very old
Q11: Who won the Shapley-Curtis debate when it
Q20: The twentieth century opened with a major
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents