A push or pull is this.
Force
What size is our sun?
The sun is larger than all the other stars?
This terms refers to when objects appear to be larger than they are, when they are closer to us.
Apparent
This forces us to stay on Earth, and for us to orbit around the sun.
Gravity
The sun is a planet.
Gravity pulls objects to the Earth's _________.
Core
These are the coolest stars
The looks like this shape, because it's closer to us than any other star.
Sphere
distance, shape, color, or size?
Stars are all bigger than our Moon.
The amount of energy or light a star shines is called this.
Luminosity
A star's brightness as it appears from Earth is called __________ brightness.
Apparent
About 1 million of these could fit inside the sun.
Earths