Hubble's Law Calculator

Formula

The formula to calculate the velocity (v) is:

\[ v = H_0 \times d \]

Where:

\( v \) is the velocity (km/s).
\( H_0 \) is the Hubble constant (km/s/Mpc).
\( d \) is the distance to the galaxy (Mpc).

What is Hubble's Law?

Hubble's law is an equation that describes the speed at which a galaxy is moving away from our own in our expanding universe. It tells us that the universe is expanding at an ever-increasing rate, and the further away an object is from our reference point, the faster it is moving and accelerating.

Example Calculation

Consider an example where:

Distance (d): 100 Mpc
Hubble Constant (H0): 70 km/s/Mpc

Using the formula to calculate the velocity:

\[ v = 70 \times 100 = 7000 \text{ km/s} \]

This means that the velocity for this example is 7000 km/s.