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Figure-Based Questions


Estimate the right ascension and declination of the star shown in Figure 2.5.

Use Figure 2.18 to find the time in Mexico City, Mexico, when it is 5 P.M. in Washington, D.C. Ignore any complications that might be caused by daylight savings time.

Suppose an astronaut on the Moon watches the Earth throughout a month. Use Figure 2.19 to answer the following questions about what the astronaut would observe. When we see new Moon, what phase of the Earth does the astronaut see? What phases does the astronaut see when we see the lunar phases of first quarter, waxing gibbous, full, and waning crescent?

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