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Lady bird [3.3K]

3 years ago

8

1. What is the name of the star which is almost directly above the north pole of the Earth? Draw a diagram to illustrate how an

observer in the northern hemisphere can locate this star.

1 answer:

yarga [219]3 years ago

7 0

Answer:

<u>Polaris is a north pole star</u>

Explanation:

It is the brightest star of the northern hemisphere, in the constellation of Ursa minor, being about 433 light-years.Its a triple star system with Polaris Aa, Ab and B star.

Due to Polaris stars, it lies in direct line with rotation of the earth on its axis above the celestial north pole. The temperature on the Polaris varies with a small amount of pulsation which is variable and unpredictable the temperature cycle can go from 50K to at least 170 K.

It remains steady for 4 days.

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