Earth in Space

Beyond Mars, there are four planets made of hydrogen, helium, and other gases. They are called what?

Mars has huge extinct what?

What causes light from the Sun to hit different parts of the Earth at different angles

The moon has almost no what?

What is the closest planet to you?

Spacecraft that gather data without a crew are called what?

Our solar system is made up of the sun, our planets, moons, asteroids, and what?

What keeps the Earth and the other planets in their orbits around the Sun?

Which planet has the nickname the "Red Planet"

How long does it take the moon to revolve around the earth?

One whole spin of an object on its axis is called a what?

What is the largest body in the solar system?

The northern end of Earth's Axis is called what?

One full orbit is called a what?

How many days does it take Mercury to travel around the sun?