For the picture below what is the differences of light spectra of different galaxies. compared to a laboratory reference to uses as comparison, or control group. What is the differences between nearby stars and galaxies compared to distant stars and galaxies by using the spectral lines ?

Q: GIVE ONE ILLUSTRATION OF RAY DIAGRAM AND BRIEFLY EXPLAIN THE GIVEN RAY DIAGRAM

A: GIVE ONE ILLUSTRATION OF RAY DIAGRAM AND BRIEFLY EXPLAIN THE GIVEN RAY DIAGRAM.

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Q: You are observing a different star which has a normal measured flux of 29.7 photons per second. The…

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Q: None

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Q: Which star is physically larger and by how much? A. L = 105 Lo: T = 3000 K B. L = 10 L 0:T = 8000 K…

A: