The correct answer is option a. solar eclipse.
What is it called when the Moon's shadow is on Earth?
Solar eclipses happen when the Moon passes directly between the Sun and Earth, casting its shadow on Earth's surface. Because the Moon's orbit isn't perfectly in line with the Sun and Earth, its shadow usually passes above or below Earth.
What type of eclipse occurs when the Earth's shadow is cast on a full moon?
A lunar eclipse occurs when the Moon passes through Earth's shadow, fully or partially darkening the lunar disk.
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