Two stars have coordinates a = 18h, 5 = + 5 ° and a = 6h, 5 = + 35 °. Can you see the first and second stars in the night sky in the Arctic Circle in the east? on South? in the West? in the north?
Both stars have a northerly declination, less than the latitude of the Arctic Circle, and the second of them is generally not set beyond the horizon at the Arctic Circle. Therefore, the first of the stars can be in the east, south and west, and the second in all four directions. But remember that when sidereal time is 18 hours, the Sun in the Arctic Circle appears on the horizon regardless of the season. At this moment, the sky will always be bright, and at the same moment the first star is in the south, and the second in the north. As a result, the first star can be observed in the night sky only in the east and west, and the second – in the east, south and west.
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