During different points of Earth's orbit, different parts of the planet are tilted toward or away from the Sun (because of that 23.5 degree tilt), leading to variations in how much sunlight they get.

At the aphelion, the distance from the Earth’s center to the Sun’s center is going to be 152,087,738 kilometers (94,502,939 ...

The sun is directly over the Tropic of Cancer during the summer solstice and the Tropic of Capricorn during the winter solstice. The Earth's 23.5-degree tilt is the reason for our seasons as the ...

After the sun arrives at its solstice point, it will begin to migrate back toward the south and the amount of daylight in the ...