Chapter 2 - Moon Flashcards
What do we call the mountains on the moon?
Highlands
What is the center of the moon with a radius of 300-425 kilometers?
Core
What is the ONLY natural satellite of the earth?
Moon
What is the lighter shadow cast by the earth or the moon?
Penumbra eclipse
Who was the first man to walk on the moon?
Neil Armstrong
What is the part of the moon with the average thickness of about 70 kilometers?
Crust
What is it when the moon passes between the sun and the earth and the moons shadow is east of the earth?
Solar eclipse
What are spots on the moon that are formed by meteorite impact on the moon?
Craters
What is it when the lighted side of the moon is facing away from the earth?
New moon
What are the trench like valleys of the moon, usually caused by collapsed lava tubes?
Rilles
What is it when the earth passes between the sun and the mon and the earth’s shadows is cast on the moon?
Lunar eclipse
What is the part of the moon that is not having sunlight on it?
Darkside
What is it when the lighted side of the moon faces the earth?
Full moon
What was the name of the NASA Mission whose goal it was to land on the moon?
Apollo 11
What is it when the moon passes completely through the dark shadow of the earth?
Total eclipse
What is the lighter shadow cast by the earth or moon?
Penumbra
What are the dark areas of the moon that were once thought to be “seas”?
Maria
How long does it take for the moon to rotate on its axis?
27.5 days
What do we call the amount of moon that we see?
Phase
How long does it take for the moon to orbit the earth?
27.5 days
Does the moon have
A. Liquid water
B. Extreme temperature differences between the light and dark side
B. Extreme temperature differences between the light and dark side
What is the moon’s difference in gravity due to?
The difference in mass
What can we not see about the moon?
The far side of the moon
How many lunar eclipses are there every year?
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