Sun & Earth
The nearest star to Earth.
What is the sun?
How many days it takes for the moon to rotate and revolve around the earth.
What is 27.3 days?
These regions receive less energy from the sun and are generally colder.
What are the poles?
The portion of the moon reflecting light as seen from earth.
What is a phase?
The central, darker part of a shadow where the light is totally blocked.
What is an umbra?
The nuclei of atoms combine, releasing huge amounts of energy.
What is Nuclear Fusion?
The impacts of many objects helped shaped this area of the moon.
What are the highlands?
This region receives more direct energy from the sun causing it to be warmer.
What is the equator?
During this phase, more of the moon is lit.
What is the waxing phase?
The lighter part of the shadow where light is partially blocked.
What is a penumbra?
Earth's rotation
The bright streaks around craters.
What are rays?
The start of spring or autumn.
What is an equinox?
During this phase, less of the moon is lit.
What is the waning phase?
The moon comes between our planet and the sun.
What is a solar eclipse?
Describes the imaginary line that Earth rotates around.
What is a rotation axis?
The smooth areas of the moon that were created by lava flows.
What is maria?
The start of summer or winter?
What is a solstice?
When the moon is completely lit.
What is a full moon?
The Moon passes directly behind Earth and into its shadow.
What is a lunar eclipse?
The direction of Earth's Rotation.
What is west to east?
4.6 billion years ago, another planet (probably the size of mars) collided with Earth, created a ring around earth of vaporized rock, and those rocks clumped together to form the moon.
What is the Giant Impact Hypothesis?
During these times of the year, there is 12 hours of sunlight and 12 hours of darkness everywhere on earth.
What is an equinox?
The Moon as it appears early in its first quarter or late in its last quarter when only a small arc-shaped section of the visible portion is illuminated by the Sun.
What is the crescent moon?
The path of the umbra during a solar eclipse.
What Is The Path Of Totality?