Solved

When Hubble First Calculated the Recessional Speeds of Galaxies in the 1920s

Question 30

Multiple Choice

When Hubble first calculated the recessional speeds of galaxies in the 1920s, he used


A) the Doppler shift relationship. This was an error, and the calculations had to be repeated using the cosmological redshift relationship.
B) the Doppler shift relationship. This was an error, and the calculations had to be repeated using the gravitational redshift relationship.
C) the Doppler shift relationship. This was correct because the nonrelativistic cosmological redshift relationship gives the same result.
D) the cosmological redshift relationship. This was an error, and the calculations had to be repeated using the Doppler shift relationship.

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Unlock this Answer For Free Now!

View this answer and more for free by performing one of the following actions

qr-code

Scan the QR code to install the App and get 2 free unlocks

upload documents

Unlock quizzes for free by uploading documents