How do you spot A counterfeit 1886 silver dollar?

What color is the planet Saturn? What are all the planets called? How will the ground look if you were an astronaut in the middle of the near side of the moon during a full moon? How does the mass of Jupiter compare with that of the other planets? What is the distunce from the sun? Is Regulus a blue super-giant? How long does it take to get from one floor to the next in an elevator? What occurs when the northern hemisphere and southern hemisphere receive the same amount of sunlight? Is the space race still happening? What The Milky Way galaxy runs through the center of which constellation? Why should you read northern lights? Why do stars emit radiation? What are the circular features on the Moon's face' and how did they form? Temperature outside a space shuttle while it orbits earth? when do shadows get smaller and bigger? What happens when cold and warm cannot overtake each other? How did canadian contributors work the space shuttle? What is the shape of planet earth is it a hemisphere a hemicube a circle or a sphere? How many times do you space after an internal period? Does the state of Kansas get a lot of tornadoes?