What is nyucenta?

What is the difference between population and universe? What is the estimated life of a space shuttle? How did people first investigate the planet? Has the aurora borealis ever been seen in Kansas? Do guns work on the moon? What is the largest body in your solar system? Where can one find detailed information about Sunita Williams? What Is The Opposites of fog? Can you see colors in space? What is a tornado and how do they form? Does the moon keep the same distance from earth? How many times does the international space station circle the earth daily? When we see the moon as a perfect circle it is called what? What was the name of the Space Capsule that carried the first American to space? Is it true or false that a heliocentric model of the solar system has earth at the center? What caused sputnik to happen? Why do rainbows occur after rain? 0 degrees longitude is called? When was first space shuttle launch after Challenger disaster? Why does liftoff occur when a spacecraft lands?