What is the worst kind of light bulb?

How much would you weigh on a new planet when the gravity is 15 times as strong as the gravity on earth and you weighed 100 pounds on earth? How much would a 140 pound person weigh on the moon? Why doesnt the actual jerome enter the space program? Who or what makes it rain? Which star has the highest surface temperature? Is Mars hot cold or a range of temperatures? How do spacecraft travel in outer-space? What is is the definition of waxing space? Which phrase of the moon is described as the brightes moon? Who is grace p moon? How far up are the stars from the ground? How does energy transfer from the sun to plant to you? What is the difference between 3x6 and 6x6 solar cells? Have any non Americans walked on the moon? Why do astronauts have radio transmitters when they are on moon? What was the significant about the us space shuttle mission in July and what was the name of the spacecraft? What was the first dog to go into space in 1957? Which Apollo mission first landed on the moon? What is the least dense planet? What is the only place visited by manned exploration outside earth?