What is teteron?

What happens to fog after a sunrise? Why is there air on earth but not in space? Which type of object visible from earth orbits the sun and has cleared the area of its orbit? What event is a direct result of Earth's revolution? Why is the fusion of iron a problem for a star? What is it called if you see glimpses of the future? Do astound and astonish mean the same thing? What research did Neil Armstrong do in the moon? When did hubble discover the Milky Way? What made Albert Schweitzer famous? Is star a compound word? What is cloud seeding and is it effective? How many astronauts died before Apollo 11? How do you make an Aztec calendar out paper plates? How is the gravity on moon different from the gravity on earth? What would you do if a meteor came to earth? How long does it take for a nebulae to form? What happens if you move coarse adjustment knob away from you? What is the main use for a compass? Rocklike mass that revolves around the sun?