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Questions and Answers
What is the position of the Earth during a lunar eclipse?
What is the position of the Earth during a lunar eclipse?
What is the phase of the Moon during a lunar eclipse?
What is the phase of the Moon during a lunar eclipse?
What is responsible for the Moon's reddish color during a total lunar eclipse?
What is responsible for the Moon's reddish color during a total lunar eclipse?
What type of lunar eclipse occurs when the Moon passes through the Earth's partial shadow?
What type of lunar eclipse occurs when the Moon passes through the Earth's partial shadow?
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What is the name given to the Moon during a total lunar eclipse?
What is the name given to the Moon during a total lunar eclipse?
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Why did ancient cultures fear the appearance of the Moon during a lunar eclipse?
Why did ancient cultures fear the appearance of the Moon during a lunar eclipse?
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What is the primary condition for an eclipse to occur?
What is the primary condition for an eclipse to occur?
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What type of eclipse occurs when the Sun casts a shadow on the Moon?
What type of eclipse occurs when the Sun casts a shadow on the Moon?
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What is the phase of the Moon during a solar eclipse?
What is the phase of the Moon during a solar eclipse?
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Why does a solar eclipse not occur every month?
Why does a solar eclipse not occur every month?
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What is the term for the area where the Sun is completely blocked by the Moon during a solar eclipse?
What is the term for the area where the Sun is completely blocked by the Moon during a solar eclipse?
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What is the type of solar eclipse where the Moon only partially covers the Sun?
What is the type of solar eclipse where the Moon only partially covers the Sun?
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What is the name of the phenomenon where the Moon's disk appears ring-like around the Sun during a solar eclipse?
What is the name of the phenomenon where the Moon's disk appears ring-like around the Sun during a solar eclipse?
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What is the shape of the Moon's orbit around the Earth?
What is the shape of the Moon's orbit around the Earth?
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Study Notes
Eclipse
- An eclipse occurs when the shadow of one body falls on another body.
Types of Eclipses
- There are two types of eclipses: Solar Eclipse and Lunar Eclipse.
Solar Eclipse
- A Solar Eclipse occurs when the Sun casts a shadow of the Moon on Earth.
- The Sun is blocked out by the Moon, and cannot be seen from areas on Earth that lie in the Moon’s shadow.
- Total Solar Eclipse: The disc of the Moon exactly covers the Sun, blocking its light completely.
- Annular Solar Eclipse: The disc of the Moon only partially covers the Sun, occurs when the Moon is slightly further away from the Sun when the eclipse occurs.
Lunar Eclipse
- A Lunar Eclipse occurs when the Earth lies between the Sun and Moon, so that Earth's shadow darkens the Moon.
- The phase of the Moon during a Lunar Eclipse is Full Moon.
- Types of Lunar Eclipses:
- Total Lunar Eclipse
- Partial Lunar Eclipse
- Penumbral Lunar Eclipse
- Partial Penumbral Eclipse
- During a Total Lunar Eclipse, the Moon can appear blood red due to the refraction of sunlight through the Earth's atmosphere.
- The Moon does not totally disappear during a Total Lunar Eclipse, but appears as a dark red color.
Eclipse Shadow Structure
- The Shadow Structure consists of:
- Umbra: The innermost and darkest part of the shadow.
- Penumbra: The lighter outer part of the shadow.
Eclipse Occurrence
- A Solar Eclipse does not occur every month because the Moon's orbit is tilted about 5o to the Earth's orbit, so the shadows usually miss.
- The Moon must be in the New Moon phase for a Solar Eclipse to occur.
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Description
Learn about the two types of eclipses, Solar and Lunar, and how they occur when the shadow of one body falls on another body.