✔ 最佳答案
Eclipse occurs when a celestial object passes into another’s shadow, umbra or penumbra.
Lunar Eclipse
Lunar eclipses occur when the Earth blocks light from the Sun, or in other words, when the Moon goes into Earth’s umbra.
At the full moon, the Moon, Earth and Sun are aligned with the Earth in the middle. Lunar eclipse is possible.
Solar Eclipses
A solar eclipse occurs when the Moon’s shadow sweeps the surface of the Earth.
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