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  The Sun’s spectrum (as seen above) is an example of a(n) __________.

Use the following table to answer the question. Star Apparent Magnitude (m) Absolute Magnitude (M) m-M Spectral Type 1 -1.46 1.46 0 F0 2 -0.72 -2.5 1.78 A1 3 0.12 -8.1 8.22 B8 4 0.41 -7.2 7.61 M2 5 -0.27 4.4 -4.67 G2     In which star’s spectrum are the hydrogen lines the strongest?

Use the following table to answer the question. Star Apparent Magnitude (m) Absolute Magnitude (M) m-M Spectral Type 1 -1.46 1.46 0 F0 2 -0.72 -2.5 1.78 A1 3 0.12 -8.1 8.22 B8 4 0.41 -7.2 7.61 M2 5 -0.27 4.4 -4.67 G2     In which star’s spectrum would you expect to see molecular bands?

  The period of a Cepheid variable star is found to be about 5 days. What is the absolute magnitude of this star?    

Use the following table to answer the question. Star Apparent Magnitude (m) Absolute Magnitude (M) m-M Spectral Type 1 -1.46 1.46 0 F0 2 -0.72 -2.5 1.78 A1 3 0.12 -8.1 8.22 B8 4 0.41 -7.2 7.61 M2 5 -0.27 4.4 -4.67 G2     Which star is the hottest?

By creating an H-R diagram for a cluster we are able to determine the age of the cluster. We do this by finding the

What gives the Sun its slightly mottled appearance when viewed in visible light under high magnification?

Weekly discussions are intended to (choose all that apply)

Although the stellar constellations are of very ancient origin, they are still useful to modern astronomers:

By locating the northe celestial pole (NCP) in the sky, how can you determine your latitude?