A type ia supernova explodes in a galaxy at a distance of


Solve the following problems given below:

Problem I: A Type Ia supernova explodes in a galaxy at a distance of 6.10 × 107 light-years. If astronomers detect the light from the supernova today, how long ago did the supernova explode?

Problem II: Given a Hubble constant of 67.7 (km/s)/Mpc, how fast is this galaxy moving away from Earth?

Problem III: What is this galaxy's red shift?

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Physics: A type ia supernova explodes in a galaxy at a distance of
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