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## Homework Statement

A galaxy is observed to be receding from the Sun with a velocity of 7500 km/s.

The distance to the galaxy is determined to be 1.4×10^8 parsecs. From this

observation, what is the value of the Hubble Constant (in km/s/Mpc)?

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- Thread starter Solomon9$
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A galaxy is observed to be receding from the Sun with a velocity of 7500 km/s.

The distance to the galaxy is determined to be 1.4×10^8 parsecs. From this

observation, what is the value of the Hubble Constant (in km/s/Mpc)?

- #2

ideasrule

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Do you know Hubble's equation?

- #3

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## Homework Statement

A galaxy is observed to be receding from the Sun with a velocity of 7500 km/s.

The distance to the galaxy is determined to be 1.4×10^8 parsecs. From this

observation, what is the value of the Hubble Constant (in km/s/Mpc)?

## Homework Equations

recessional velocity = H^o x distance

## The Attempt at a Solution

Not sure if recessional velocity in this equation is in km/s and distance in parsecs. Need help with this.

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ideasrule

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- #6

ideasrule

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Subtract?

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Sorry...it was late.

Divide.

Divide.

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