How do you find the total velocity of a star? (Both parts of the velocity)?

0 ⤊

How do you find the total velocity of a star? (Both parts of the velocity)?

2007-03-04 06:50:00 · 1 answers · asked by hurleyboy714 2 in Science & Mathematics ➔ Astronomy & Space

1 answers

Radial velocity is found through the doppler shift (red shift = moving away).
Transverse velocity through the star's "proper motion" (change of angle over time) applied to the star's known distance.

Speed = SQRT( R^2 + T^2)

2007-03-04 06:57:17 · answer #1 · answered by Raymond 7 · 0⤊ 0⤋