Multiple Choice
If the Hubble parameter is 25 km/s per million light years, how old is the universe?
A) 10 × 109 y
B) 12 × 109 y
C) 15 × 109 y
D) 20 × 109 y
E) 25 × 109 y
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q2: What is the parallax angle for Proxima
Q3: A star has absolute luminosity equal to
Q4: The Earth's orbit has a mean radius
Q5: The Sun has apparent brightness at Earth
Q6: It can be shown that the approximate
Q7: Estimate the speed of a galaxy that
Q8: The Chandrasekhar limit of stellar mass (below
Q9: If a galaxy is receding at 0.10
Q10: Star A has twice the parallax as
Q11: The apparent brightness of a star is