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Transcript
Review Quiz No. 1 Question 1: If you’re in Johannesburg, South Africa, and look east, you see stars … 1. 2. 3. 4. 5. rising. :45 setting. circling clockwise around a point ~ 30o above the horizon. circling counterclockwise around a point ~ 30o above the horizon. remaining stationary. 0% 1 0% 2 0% 0% 3 4 0% 5 Question 2: Pollux, the second-brightest star in the constellation “Gemini” (poss. Form: “Geminorum”) is also called … :45 0% 1 0% 2 1. 2. 3. 4. 5. 2 Geminorum Gemini-2 B Geminorum b Geminorum Gemini b 0% 0% 3 4 0% 5 1. 2. 3. 4. 5. Question 3: Rigel has an apparent visual magnitude of mv = 0.1, Formalhaut has mv = 1.1. This means that Rigel is approximately … than Formalhaut. :45 0% 1 0% 2 2 times brighter 8.2 times fainter 8.2 times brighter 2.5 times fainter 2.5 times brighter 0% 0% 3 4 0% 5 1. 2. 3. 4. 5. Question 4: On its slightly elliptical orbit around the sun, the Earth comes closest to the sun in 0% 1 0% 2 January. May. July. August. November. 0% 0% 3 4 0% 5 :45 Question 5: One synodic period of the moon from today, the moon will :45 1. 2. 3. 4. 5. be visible in the same spot on the celestial sphere as today. have the same lunar phase as today. have the same position with respect to the stars as today. be in the full moon position. have the same position with respect to the center of our Milky Way. 0% 1 0% 2 0% 0% 3 4 0% 5
