The Andromeda Galaxy is the most distant celestial object that can be seen with
ID: 2304319 • Letter: T
Question
The Andromeda Galaxy is the most distant celestial object that can be seen with the
unaided eye. How far away from the Milky Way is the Andromeda Galaxy located? Hint: Press
the Info button in the selection label.
a. 9.2 million light years
b. 2.5 million light years
c. 9.2 billion light years
d. 2.5 billion light years
Use Hubble's Law to calculate the recessional velocity of the Virgo cluster of
galaxies. How fast are these galaxies receding away from us?
a. 1240 km/sec
b. 2480 km/sec
c. 124 km/sec
Using the formula z=v/c, what is the redshift of the galaxies in the Virgo cluster?
a. 0.04
b. 0.004
c. 0.0004
What is the calculated recessional velocity of the Abell cluster of galaxies?
a. 24,000 km/sec
b. 2,400 km/sec
c. 4,200 km/sec
d. 42,000 km/sec
For the Abell cluster of galaxies z = 0.14, and for the Virgo cluster z = 0.004. What
can be said about the relationship between distance and redshift from this small sample of redshifts?
a. Smaller redshift values correspond to greater distance.
b. Larger redshift values correspond to less distance.
c. Larger redshift values correspond to greater distance.
d. There is no relationship between redshift and distance
Explanation / Answer
they both are located at a distance of 2.5 million light years. this galaxy is the nearest galaxy to Earth excluding the small companion galaxies. this is a spiral galaxy and can be seen with naked eye. this is confirmed by Edwin Hubble.
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