The rotation curve of a galaxy can be used to determine
A) the relative number of hot young stars in the galaxy.
B) the relative amount of gas and dust in the galaxy.
C) the radius of the galaxy.
D) the luminosity of the galaxy.
E) the mass of the galaxy.
Correct Answer:
Verified
Q2: We should expect galaxies to collide fairly
Q3: Gravitational lensing
A)occurs when light passes near a
Q4: _ can be used to determine the
Q5: _ have elongated nuclei with spiral structure
Q6: The look-back time is
A)the time it takes
Q7: Mathematical models indicate that _ galaxies are
Q8: The total mass of galaxies in a
Q9: Poor clusters
A)contain more than 1000 stars and
Q10: A _ generally contains well over 1000
Q11: Most of the mass of a galaxy
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