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Moon Phases Eclipses
Question | Answer |
---|---|
How long does it take for the Moon to revolve once around Earth? | 27.3 days |
What is it called when the phases of the Moon appear to get larger? | waxing |
What kind of eclipse occurs when the Moon blocks sunlight from reaching Earth? | solar |
The Moon phase cycle lasts about 29.5 days. Given this information, about how long does it take the Moon to wax from new moon to full moon? | about 2 weeks |
changing appearances of the Moon from Earth | Moon phases |
Occurrence caused by Earth's coming between the Sun and the Moon and casting its shadow on the Moon | lunar eclipse |
phase in which all of the lighted side of the Moon can be seen from Earth | full moon |
dark-colored, relatively flat regions of the Moon formed from lava filling large basins | maria |
waxing Moon phase in which one half of the Moon's lighted surface can be seen from Earth | first quarter |
waning Moon phase in which one half of the lighted side of the Moon can be seen from Earth | third quarter |
What only can occur during a new moon? | solar eclipse |
During a total solar eclipse, what is the darkest portion of the Moon's shadow called? | Umbra |
The partial outer shadow. This causes partial eclipses. | Penumbra |
During what phase of the moon can a lunar eclipse occur? | full moon |
A total solar eclipse is visible from | only within the moon’s umbra. |
You are less likely to see a total solar eclipse than a total lunar eclipse because | the moon’s umbra only covers a small area on Earth’s surface. |
How large is the moon compared to Earth? | about one-fourth the diameter of Earth |
What causes the phases of the moon? | the relative positions of the moon, Earth, and the sun |
When the visible portion of the moon is decreasing, the moon is | waning |
'Moonlight' is an incorrect term because: | the moon reflects light from the sun |
When do annular eclipses occur? | when the moon is farthest from the Earth |
What layer of the sun can be viewed during an eclipse? | corona |