UNIVERSE
SOLAR STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Umbra
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Penumbra
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Either A or B
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None of the above
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Detailed explanation-1: -The dark, inner shadow of planet Earth is called the umbra. Shaped like a cone extending into space, it has a circular cross section most easily seen during a lunar eclipse.
Detailed explanation-2: -The most central and darkest part of a shadow is called an umbra. If you aim a light source directly at an object, the blackest portion of the shadow directly behind the object is the umbra of the shadow. Q. Which eclipse is known as when Earth’s umbra-central dark part shadow obscures all of Moon’s visible surface?
Detailed explanation-3: -During an eclipse the Earth blocks sunlight from reaching the Moon. Earth creates two shadows: the outer, pale shadow called the penumbra, and the dark, inner shadow called the umbra.
Detailed explanation-4: -An umbra is the inner, darker part of a shadow. The Moon’s umbra is cone shaped and becomes smaller as it gets farther from the Moon.
Detailed explanation-5: -The less dark region of a shadow is called penumbra. The darkest region of a shadow is called Umbra.