You have been awarded observing time on a big telescope in Hawaii to observe som

Question

You have been awarded observing time on a big telescope in Hawaii to observe some stars in the following constellations: Constellation, Right Ascension, Declination Gemini, 6 hours to 8 hours, 12 to 32 degrees Auriga, 5 hours to 6 hours, 28 to 46 degrees Cygnus 19 hours 30 min to 21 hours, 25 to 45 degrees (a) During what month is Gemini most easily observed (or, up in the sky the longest during dark hours) as seen from Hawaii? Ditto for Auriga; ditto for Cygnus? Use the average position and the middle of the month. Explain. (b) Going to Hawaii once for each constellation is expensive, in time and money. Is there any time of the year when you might be able to observe stars in all three constellations? In two of them? Explain.

Explanation / Answer

a) Gemini can be defined as the oe of the constellation of the Zodiac. it was found that the one of the 48 constellation described in the 2nd centuary by the astronomers ptolemy. but today itself it remains one of the 88 constallation which can be taken as the main constallation in the current modern time of astronomy.

Gemini lies between the taurus to the west and cancer to the east. If we considered the case of observation from the location of hawaii then the months in which it can be easily and mostly observed is by the mid of august. in mid august it will appear along the eastern horizon in the morning sky before some time of rising of the sun. but in the month of january to feburary it can be observed at overhead at night.

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b) There are many ways to observe the constallation with the three but if we want to know the time periods in the whole year in which we can observe it easily and mostly from the hawaii then it will be in the month of may 21 - june 21. it is because at this time periods the gimini goes through the zodiac dates which enable it to observe the constellation more efficiently in terms of three constellation. But if not the case of three constallation then you can go in mid august or in month of january to february.

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