1.
The curved path that one object in space follows as it moves around another object
2.
The movement of one object traveling all the way around another object in space
3.
To move around another object in space
4.
A huge ball of hot, glowing gas in space that gives off light and heat
5.
A scientist who studies stars, planets, and other objects in space
6.
system The Sun and all the planets, moons, and other objects that move around it
7.
A star at the center of our solar system that provides light and heat to Earth
8.
zone A region of Earth that has the same time because Earth rotates
9.
The different times of the year caused by Earth’s tilt and its movement around the Sun
10.
A tool that uses the position of the Sun and a shadow to tell time
11.
A dark shape made when an object blocks light
12.
The brightest star seen in the night sky from Earth
13.
A large, bright star found in the constellation Orion
14.
An imaginary line through Earth from the North Pole to the South Pole that Earth spins around.
