Wednesday, November 28, 2012

Orion the hunter

Orion can be easily seen in the night sky from November to Feburuary of each year-late Autumn to winter in the northen hemisphere late spring to summer to the southen hemisphere .In the tropics
(less than about 8o from equater) the constellation transits at the zenith. In the period may-july (summer in the northen hemisphere, winter in the southen hemisphere)Orion is in daytime sky and thus not visible at most latitades. However for much of Antarctia in the southern hemisphere winter months,the sun is below the horizon even at midday.Stars (and thus Orion) are then visible at twilight for a few hours around local noon, low in the North. At the same time of the day at the south pole itself (Amudsen-scott south pole staition), rigel is only 8o above the horizon and the belt sweeps just along it.In the southern hemisphere summer months, when orion  s normally visible in the night sky, the constellation is actually not visible in Antarctic circle.In year south of Antarctic because the sun does not set at that time of the year.by  charlotte and luke.

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