Suppose Hubble's constant was equal to 300 km/s/Mpc.If you approximate 1 Mpc = 3 x 10¹⁹ km,and 1 year = 3 x 10⁷ s,how old would the Universe be?
A) 500 Myr
B) 3 Gyr
C) 13 Gyr
D) 50 Gyr

Question

Quizplus · Accepted Answer

The age of the Universe is approximately the inverse of Hubble's constant. Converting Hubble's constant to s⁻¹ and taking the inverse gives an age of about 3 Gyr.

Suppose Hubble's Constant Was Equal to 300 Km/s/Mpc