Answer:
The luminosity of both the stars is same star A is closer to the planet Earth as compared to star B.
Explanation:
From the mentioned case we can infer that the most accurate relation between the stars and the astronomer on earth observing for over a period is that the luminosity of the stars is same.
The more drawn out the pulsation time frame, the more brilliant the star. The period-luminosity connection for old style Cepheid was found in 1908 by Henrietta Swan Leavitt in an examination of thousands of different stars in the Magellanic Clouds.
Answer:
The geographical isolation of the country.
Explanation:
Language on Iceland hasn't changed much since 1300s. The reason is simple. Iceland is located in the far northwest of Europe, not being connected with the rest of the continent. Therefore, it is practically impossible to discuss about any changes in culture, language, customs... during a long period of time. This isolationism formed a specific culture.
