If a galaxy has a radial velocity of 8000 km/sec and the Hubble constant is 70 km/sec/Mpc, what is the distance to this galaxy? What’s the formula for this question?

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Feb

# If a galaxy has a radial velocity of 8000 km/sec and the Hubble constant is 70 km/sec/Mpc, what’s the distance?

Feb

# If a galaxy has a recessional velocity of 5000 km/sec, what would be its distance?

Even if someone can give me a formula to help me find the distance that would be fantastic! I’m good at math but don’t even know where to begin with this

Jan

# If a galaxy is found receding from us at 894 km/sec and it is located at a distance of 12 Mpc, what is the age?

If a galaxy is found receding from us at 894 km/sec and it is located at a distance of 12 Mpc, what is the age of the universe if the universe is flat? What’s the formula for this question?

Jan

# If a galaxy is found receding from us at 894 km/sec and it is located at a distance of 12 Mpc, what is the age?

If a galaxy is found receding from us at 894 km/sec and it is located at a distance of 12 Mpc, what is the age of the universe if the universe is flat? What’s the formula for this question?

Jan

# If a galaxy is found receding from us at 894 km/sec and it is located at a distance of 12 Mpc, what is the age?

If a galaxy is found receding from us at 894 km/sec and it is located at a distance of 12 Mpc, what is the age of the universe if the universe is flat? What’s the formula for this question?

Jan

# How to find velocity and distance of galaxy?

Light is gathered from a distant galaxy and one of the spectral lines of Calcium is observed at 413.26 nm when it should be 393.37 nm. (a) Find the velocity of this galaxy (hint: Doppler formula). (b) Find the distance to this galaxy (hint: Hubble Law). Can anyone help, please show work. Thanks!

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