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16 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)

Sphere

A round 3-dimensional object

It's a shape

Axis

The imaginary vertical line around which Earth spins

Earth spins

Rotation

Causes day as night to occur

Day and night

Revolution

Earths yearly orbit around the sun

Around the sun

Ellipse

An elongated closed curve

Curve

Solstice

The day when the sun reaches its greatest distance north or south of the equator

Not on the equator

Equinox

Occurs when the sun is directly above Earths equator

Above equator

Moon phase

The different forms that the moon takes in its appearance

Moons appearance

New moon

Occurs when the moon is between earth and the sun

Solar eclipse

Waxing

More of the illuminated half of the moon can be seen at night

Starting to see the moon

Full moon

Occurs when all of the moons surface facing earths reflects light

See the whole moon

Waning

You see less of its illuminated half each night

You see less if the moon

Solar eclipse

Occurs when the moon is directly between earth and the sun

Moon is between moon and sun

Lunar eclipse

When earths shadow falls on the moon

When the moon is red

Maria

Resulting dark flat regions

The creators in the moon that are filled

Impact basin

Impact craters

Impact craters