Suppose you live at latitude 40°N. Based on the given right ascensions and declinations, which of the following stars remains above your horizon for the longest time each day?
A) Spica: RA = 13hr 25m, dec = -11°09'
B) Deneb: RA = 20hr 41m, dec = +45°16'
C) Sirius: RA = 6hr 45m, dec = -16°42'
D) Alpha Centauri: RA = 14hr 40m, dec = -60°50'
E) Vega: RA = 18hr 37m, dec = +38°47'
B) Deneb: RA = 20hr 41m, dec = +45°16'
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A) carbohydrates B) water C) lipids D) proteins
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a. moves downward at constant velocity. b. moves upward at constant velocity. c. accelerates downward. d. accelerates upward. e. is not moving.