What is plotosphere?

What is the brightest stream light? What is the origin of the word Saturn? What is the brightness of the planet mercury? Who was the first person to do a space walk from a US space craft? Will one ton float in outer space? What is the meaning of the word glared? What is the large open area of a space shuttle which is used to hold satellites and scientific equipment? What is the temperature of the Suns photosphere in kelvin? What is term for the process of gathering information through images taken to a distance? What is it called when the sun heats a metal surface? Us space program that sent astronauts tothe moon? How do you set a cardinal wr100m wrist watch? What does tephara mean? Can you explain the key differences between a star and a galaxy"? Is the moon in space or in the sky? In what process do stars get their own energy? What was the name of the first US space station? How do you know if it's pregnancy or your period? Why do NASA doesn't launch from Galveston? In which direction on the horizon does a crescent moon rise?