planets
How long does it for the moon to revolve around earth?
What is a 28 days?
How old is the sun?
What is 4.6 billion years old
The layers of the Earth are called this
What is Crust, Mantle, and Core?
What Neil Armstrong
The phase where the right side of the moon is lit up
What is first quarter?
How much bigger is the sun compared to earth?
What is 110x?
The moon is ______ the size of Earth
What is 1/4?
This planet is the largest inner planet AND its atmosphere is mostly made of ___ and ____.
What is Earth and nitrogen and oxygen?