The Moon-Earth Satelite Flashcards
Why does the moon seem to change?
Because it reflects the sunlight
What causes the Moon to move in an orbit around the Earth?
The gravitational pull of Earth on the Moon
What causes the phases of the Moon, eclipse and tides?
The changing relative positions
What percent of mass is the Moon- Earth?
12% of Earths mass
What percent of diameter is the Moon-Earths?
27% of Earths diameter
What is the Avg distance from the Earth to the Moon?
384,000 km
What are Phases?
The different forms the Moon takes on its appearance from Earth
Sequence of phases is the lunar cycle which lasts…?
29.5 days
What is a new moon?
When the moon is between Earth and Sun and can’t be seen
What are Waxing Phases?
More of the moons near side is lit each night
What does the waxing crescent look like?
The first visible thin slice of moon
What is the first quarter? (Waxing)
Half the lighted side of the moon is visible
What is the waxing gibbous?
More than one quarter is visible
What is a full moon? (Waxing)
All the moons lighted side is visible
What are the Waning Phases?
Less of the illuminated half of the Moon is visible after a full moon
