What is the asthenisphere?

How long to reach mars? What month was it 32 weeks ago? How did sailors use the compass astrolabe and caravel to help them explore? If the sun is an enormous ball of hot gas how it can have a surface? Protostar will turn into what kind of star? How are tornadoes monitored? What song did they play when Neil Armstrong went out on the moon? Where do the stars go when the sun comes out? Are there extraterrestrials on the moon? What color is earth from the moon? How long does it take for light to travel from the earth to mars? What happen to Laocoon? Why does the New York Times article Radio Listeners in Panic include so much information in the first sentence? How big is the sun compared to the moon and the earth? What are the pairs of lunar features? Why did the Sarah Jane adventures end? What is the atmosphere made out of on Miranda the moon? What are the advantages and disadvantages of skylab orbiting space lab? What is the suns site of solar energy production? What is the term to describe the orbit of a planet?