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3, 4, 5 3. Estimate the distance to a galaxy whose redshift indicates that it is moving away from us at a speed of 11,000km/s.

image text in transcribed 3, 4, 5
3. Estimate the distance to a galaxy whose redshift indicates that it is moving away from us at a speed of 11,000km/s. Assume that Hubble's constant is 22km/s/Mly. 4. What is the mass-to-light ratio of a 10MSun star with luminosity 100LSunSu ? 5. Observations of a galaxy indicate that its total mass is 100 billion solar masses and its luminosity is 10 billion solar luminosities. What is its mass-to-light ratio

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