Speed of galaxy from distance to galaxy

Hubble’s Law is a cosmological law describing the expansion of the universe, according to which the recessional speed of a galaxy is proportional to the distance to it from the observer.

Notation:

1. \(H\) (H) is hubble_constant.

Links:

1. Wikipedia.

recessional_speed

Recessional speed of the galaxy, i.e. the speed at which it moves away from the observer.

Symbol:

v

Latex:

\(v\)

Dimension:

velocity

distance

Proper euclidean_distance between the observer and the galaxy.

Symbol:

d

Latex:

\(d\)

Dimension:

length

law

v = H * d

Latex:

\[v = H d\]