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.
The correct answer is C. multiple the contour interval by the number of lines between the index contours
Latitude think about it like a ladder and longitude is long going side to side
This website could help you http://www.weather.gov/cle/Seasons