A large rock that orbits a planet.
The invisible line that Earth rotates around. This its tilted at an angle.
The top or bottom half of Earth.
What is a hemisphere?
How long the moon takes to revolve around the Earth.
What are 4 weeks, 28 days, or around 1 month?
Why the Moon and the Sun appear to be the same size in our sky.
What is because the Sun is farther away?
A hot sphere of gas and plasma that produces light.
What is a star?
The movement of the Earth turning around it's axis that causes day and night.
What is rotation?
Invisible line that cuts Earth into a top half or bottom half, they don't have a big change in seasons.
What is the equator?
The process of MORE of the moon being visible (getting bigger).
What is waxing?
The international space station completes one orbit around Earth in this amount of time.
What is 90 minutes?
The unit used to measure LARGE distances in space, the distance light travels in one year.
What is a light year?
The motion of one thing moving around another object. This takes the Earth 365 days.
What is revolution?
When the moon blocks part/all of the sun.
The process of LESS of the moon being visible (getting smaller).
What is waning?
This many Earths could fit inside the Sun.
What is 1.3 million?
The Sun and the 8 planets, including Earth, that are pulled together by gravity.
What is the solar system?
The path an object takes as it goes around another object in space.
What is an orbit?
When the earth blocks light from hitting the moon.
What is a lunar eclipse?
When a small sliver of the moon is visible.
What is a crescent?
This is the hottest planet in our solar system.
All of space and matter that are known to exist.
What is the observable universe?
The non-contact force that pulls objects towards a larger object.
What is gravity?
The changes in daylight and temperature in different places caused by Earth's tilted axis as the Earth revolves around the sun.
What are the seasons?
When ALMOST all of the moon is visible.
What is a gibbous?
The temperature of the hottest planet in our solar system.
What is 863 degrees F?