Concept explainers
The speed of the galaxy relative to a person on Earth.
Given:
Galaxy is 12 billion light years away
Formula used:
Hubble’s Law
Here,
v is
H0 is Hubble’s constant
d is distanceCalculation:
Here d is equal to 12 billion light year=
1 light year =
So
Number of km in Mpc is
For converting Hubble’s constant in the unit of per second , we divide the value of hubble’s constant (km/sec/Mpc )by
So Hubble’s constant in sec-1 is
From
Chapter 33 Solutions
Physics: Principles with Applications
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