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Rm 110

Moon Phases and Eclipses

QuestionAnswer
What changes the appearance of the moon? the relative positions of the Earth, Moon, and Sun
Lunar Cycle describes the order of the Moon's phases
How do you know when a full lunar cycle has occured? the moon goes form one new moon phase to the next new moon phase
New Moon entire side of the near side of the moon is dark
Waxing crescent only a sliver of the moon is illuminated (on the right side as viewed from Earth)
First quarter half of the near side of the moon is illuminated (on the right side as viewed from Earth)
Waxing gibbous moon is more that half illuminated, but not yet full
Full Moon near side of the Moon is fully illuminated by sunlight
Waning gibbous moon is more than half illuminated (left side)
Last quarter half side of the near side of the moon is illumintated (left side)
Waning crescent last sliver of the moon is illuminated
How long is a full lunar cycle? 29.5 days
What shape is the moon? The moon is always a sphere, even though it appears to be different shapes
How does the moon move in space? The moon orbits the Earth, and rotates on its axis.
We always see the _________side of the moon. same
Why does the position of the moon in the sky change from night to night? the moon's path is at a slight angle to Earth's path
Does the moon emit its own light? no, it reflects the Sun's light back to Earth
Earth revolves around the ____. sun
The moon revolves around the _______. Earth
Lunar eclipse occurs when the Earth is between the moon and the Sun
What happens during a lunar eclipse? the moon is in Earth's shadow
What color might the moon appear during the lunar eclipse? red
Describe the Total Lunar Eclipse The moon and sun are on exact opposite sides of the Earth, and the moon is completely in Earth's shadow.
Describe a Partial Lunar Eclipse Part of the moon is in Earth's shadow.
During which moon phases do lunar eclipses happen? full moon
How are the Sun, Earth, and Moon aligned during a solar eclipse? Earth-Moon-Sun
What is the path of totatlity? the narrow path of the shadow during a solar eclipse
What is the umbra? This is the inner part of the shadow during a solar eclipse. The moon will block all of the light from the sun.
What is the prenumbra? This is the outer part of the shadown during a solar eclipse. The moon only blocks a part of the sun's light.
Is light still visible during a total solar eclipse? During a total solar eclipse, light is still visible around the edges of the moon's shadow.
What is the corona? the sun's most outer part
What is an annular eclipse This occurs when the moon is too far from Earth to cover the sun's photosphere completely
Created by: ledee.workman
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