The force that keeps the planets in orbit and you on Earth.
What is gravity?
The color of a star informs astronomers about a stars __________.
What is temperature?
One complete circular orbit by Earth around the Sun is a ___________________.
What is a revolution or orbit?
Gravity is strongest at this point on Earth.
What is the shoreline?
Some stars appear larger than others because ______________________________________.
What is because they are closer than others?
Gravity pulls objects in this direction.
These are 3 factors that affect the apparent brightness of the stars.
What is temperature, distance, and size?
This is where gravity is weakest on Earth.
What is at the tops of mountains?
This is why the Sun is bigger than other stars.
What is it is closer?
Would you weigh more or less on the moon?
What is the moon?
This color star is the hottest.
What is blue?
The Sun rises in the __________ and sets in the __________.
What is East, West?