The answer is SPHERE. The center of the sphere should also be the center of the great circle. If this is not the case, wherein let's say the center of the sphere is not the center of the circle, then this would refer to a small circle. What goes through the center of the sphere is known as the great circle.
Rivers begin in mountains or hills where rain water or snowmelt collects and forms tiny streams called gullies.
Answer: The primary two methods by which planet are found around other stars are:
I) Direct images in visible and infrared light.
Explanation: This is viewing the star by seeing itself. This method is very tedious and difficult because of the light made up by the extrasolar planets around the galaxy.
Answer:
c is right
Explanation:
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