The sun shines. The Earth revolves around the sun, which is a star. The moon orbits the Earth, so it's not as close to the sun as we are. A solar eclipse occurs on Earth when, during new moons, the Earth moves between the moon and sun aligning with its shadow passing over an area of land. Each year, the sun rises in the east and sets in the west. A solar eclipse happens only when it crosses the Earth's shadow. The solar year consists of 365 days, which is about one degree of arc mea...