How to find the speed at which galaxy move ?

Open in App

Solution

Then, you must be wondering how the speed of the galaxy is measured by astronomers? The speed of the galaxy is measured by observing the light spectrum coming from the distant galaxy. The properties of spectrum change due to the motion of galaxy with respect to the Earth

Suggest Corrections

Similar questions

Q. A galaxy moves with respect to us so that sodium light of

589.0

nm is observed at

589.6

nm. The speed of the galaxy is:

Q. What speed should a galaxy move with respect to us so that the sodium line at

589.0 n m

is observed at

589.6 n m

Q. With what speed should a galaxy move outward with respect to earth so that the sodium

- D

line at wavelength

5890 ˙ A

is observed at

5896 ˙ A ?

Q. How does the space expand itself?The galaxy moves on its own?

It is said that a galaxy moves or rotates faster than a speed of light in the universe. Is it possible that things can move faster than the speed of light

Join BYJU'S Learning Program