An eclipse is an astronomical event that occurs when one celestial body moves into the shadow of another body, temporarily obscuring it. The most well-known types are solar eclipses, where the Moon passes between the Earth and the Sun, and lunar eclipses, where the Earth comes between the Sun and the Moon. Eclipses can be total, partial, or annular, depending on the alignment and distances of the involved bodies. These phenomena have fascinated humans for centuries and are often associated with various cultural beliefs and scientific observations.
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A lunar eclipse occurs when the Earth passes between the Sun and the Moon, casting a shadow on the Moon, while a solar eclipse happens when the Moon passes between the Sun and Earth, blocking the Sun's light. This results in different visual phenomena, with a lunar eclipse displaying a reddish glow on the Moon and a solar eclipse causing a temporary decrease in daylight as the Sun is partially or fully obscured.
There are a number of ways. If you have welder's goggles, that will work.No welder's goggles? Make a simple eclipse projector.The super-simplest one is a sheet of thick paper with a small nail-hole punched in it. Hold the paper up in the sun, and look on the ground at the shadow of the paper. Normally you would see a bright circle; this is the "pinhole camera" picture of the Sun. But during an eclipse, you can clearly see the image of the Sun with the part "cut out" that the Moon is blocking.