Earth
Halfway between sosltices.
What is an equinox?
The imaginary line passing through Earth's poles.
What is the axis?
The Earth takes this long to revolve around the sun.
What is 365 days?
The sun is believed to be in the center.
What is heliocentric?
The three types of eclipses.
What is total, annular, and partial?
When the Earth is pointed away from the sun, North America experiences this.
What is winter?
During this process, the moon moves through the Earth's shadow, and may not be seen for a short time.
What is a "lunar eclipse"?
This much of the moon is always lit up.
What is half?
These are needed to view a solar eclipse.
What is protective glasses?