When a moon is adding light, it is.
What is a waxing?
What is winter?
The Earth's moves in this type of orbit.
What is elliptical?
This object is the center of our solar system.
What is the Sun?
The entire lunar cycle takes this many days to be complete.
What is 29.5?
This moon signals that 75% of the lunar cycle is complete.
What is a last quarter moon?
The primary cause of Earth's Seasons is this.
What is the tilt of its Axis?
All objects that have mass will give off this non contact force.
What is gravity?
This model suggest that the Earth is the center of the solar system.
What is the Geocentric model?
What is a spring tide?
When the moon is loosing light it is.
What is waning?
The north hemisphere is experiencing winter because it is receiving less of this.
This is a day in our orbit in which we have the most sunlight.
What is a solstice?
The discovery of phases on this planet helps prove the heliocentric model.
What is Venus?
When the moon is in a new moon phase, this phenomenon can potentially occur.
What is a solar eclipse?
Any moon that is less than half full is this kind of moon.
What is a crescent moon?
This movement is another factor that causes Earth's seasons.
What is Earth's revolution?
These are the two factors that impact gravity the most.
What is mass and distance?
This model suggest that the sun is the center of our solar system.
What is the Heliocentric model?
When the moon is either quarter moon phase, this tide can occur.
What is a neap tide?
What is a new moon?
This is the degree in which Earth is tilted.
What is 23.5 degrees?
This is the day in Earth's orbit in which the amount of day and night are the same.
What is an equinox?
The planets appear to move in the sky against the backdrop of these distant space objects.
What are the stars?
This type of eclipse happens when the Earth cast a shadow onto the moon.
What is a lunar eclipse?