Always . . . . . New Moon
Sometimes . . . . . solar eclipse
Solar eclipse.
When the moon moves between the sun and Earth, it is called a solar eclipse. This celestial event occurs when the moon's shadow falls on Earth, blocking out some or all of the sun's light.
A solar eclipse occurs.
When they line up in that order, there is always a Full Moon, and sometimes a lunar eclipse.
When they line up in that order, there's always a New Moon, and sometimes a solar eclipse.
A lunar eclipse occurs when the Earth moves between the Sun and the Moon, casting its shadow on the Moon. This event can only happen at night, when the Moon is on the opposite side of the Earth from the Sun.
lunar eclipse
lunar eclipse
Partial eclipse
Solar Eclipse
A solar eclipse.
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