What is afferestation?

The probes or satellites on that have been sent to your plant a is? Why is a reducing atmosphere conducive to the origin of life? How many continent are on the planet? What was the Name of the NASA program that took astronauts to the moon? What is the final stage of super giant stars? What are the four main layer of the atmosphere in order? What date will it be in 70 weeks? Are you bound to earth by electric forces or by gravity? How fast is the X-15? What does the saying mean- even the sun sets in paradise? Would a earthling feel heavier or lighter on the surface of mars? Lightning is 3 times as hot as what? What is something that would be impossible to do in the dark? What is a stars life cycle? What do astronomers call these star patterns like the Big Dipper the term comes from the Greek work aster which means star? What was the significance of the invention of the microscope in 1666? How did Andromeda become a constellation? How did Mae Jemison help America? When will the last space shuttle launch as of 2011? Does Earth produce a tidal effect on the Moon?