A man and his pet giraffe walk into a bar and start drinking. As the night goes on, they get drunk, and the giraffe finally passes out. The man decides to go home.
As he's leaving, the man is approached by the barkeeper who says, "Hey, you're not gonna leave that lyin' here, are ya?"
"Hmph," says the man. "That's not a lion -- it's a giraffe."
While the variation of Earth’s distance from the Sun isn’t very large, our planet receives more solar energy when it is closest to the Sun during Southern Hemisphere's summer. However, because there are relatively few landmasses south of the equator and oceans take more time to heat up, the temperature difference between the northern and southern summers is very small.
Earth's path around the Sun is not circular, nor is the Sun situated at the center of this path. Instead, Earth's orbit is elliptical, with the Sun closer to one end of the orbital path than the other. This means that Earth’s distance from the Sun varies throughout the year.
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