What can Lake County residents expect to see?Īssuming clouds don't block the sun, here's a quick timetable for what will happen:ġ1:53 a.m.-The moon slowly begins to move in front of the sun. Lunar eclipses occur when the Earth is aligned directly between the sun and the moon. Solar eclipses are rare events due to necessary precise alignments of the sun, moon and Earth as well as the shape of the moon's orbit around Earth, Priest said. A total solar eclipse will occur over portions of Southern Illinois, while Lake County will experience a partial eclipse. A total solar eclipse only occurs in the umbra, while a partial eclipse occurs in the lighter part of the shadow (known as the penumbra). The widest portion of the umbra (dark portion of the moon's shadow that is cast upon the Earth) for the Aug. Exactly what is a solar eclipse, and how does it differ from a lunar eclipse?Ī solar eclipse occurs only when the moon is aligned directly between the Earth and the sun, said Eric Priest, CLC meteorology professor.
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