The line on which an object rotates
an axis
Degree of Earth's tilt
23.5
2 of 3 major features of the moon
Maria, Craters, and Highlands
Darkest part of the shadow where no light is visible
What is the umbra
Oregon State University
Beavers
motion of Earth moving around the sun
What is Revolution
Season in Northern Hemisphere when North pole is tilted away from sun
Winter
the large dark flat areas on the moon caused by lava flows
Marias
When the moon shadow appears on the Earth's surface
Solar Eclipse
University of Washington
Huskies
The path an object follows as it moves around another object
an orbit
A day when Earth's rotation axis is most toward or away from the sun- day with the most sunlight or darkness
what is a solstice
Why the moon reflects light from the sun
Moon has no atmosphere
Location of person to be considered a partial eclipse
what is the penumbra
University of North Carolina
Tar Heals
exact amount of time for Earth to revolve around the sun
What is 265 1/4 day
Day when Earth's rotation axis is leaning along earth's orbit, neither toward nor away from the sun- same amount of sunlight and darkness in the day
what is an equinox
The reason we only see one side of the moon
The moon makes 1 rotation in the same amount of time it takes to make 1 revolution around the Earth
number of hours between high tides
what is 12 (12.5)
University of Alabama
2 factors that determine gravity between 2 masses
what is mass and distance
Direction rotates (from ______ to ______)
West to East
Number of days for the moon to make 1 full rotation
27.3 days
Tide caused by alignment of Sun, Earth, and Moon
What is Spring tide
University of Nebraska
Corn Huskers