The north celestial pole appears 30° above your horizon. The star Vega is on your meridian. By studying your star charts and your clocks, you determine that Vega crossed the meridian in Greenwich (England) 3 hours ago. Where are you?
A. latitude 30°N, longitude 45° west
B. latitude 30°N, longitude 3° west
C. latitude 60°N, longitude 45° west
D. It is not possible to determine your longitude from the information given.
Answer:A
The north celestial pole appears 30° above your horizon. The star Vega is on your meridian. By studying your star charts and your clocks, you determine that Vega crossed the meridian in Greenwich (England) 3 hours ago. Where are you?
A. latitude 30°N, longitude 45° west B. latitude 30°N, longitude 3° west C. latitude 60°N, longitude 45° west D. It is not possible to determine your longitude from the information given.