What is an astrophone?

What is the temperature at the center of the sun? Why would heating the gas in a air balloon make the balloon rise? How does a rocket ship go through the earth's atmosphere? What are some questions that science cannot yet answer? What astronauts use as food? Why would it be impossible with the technologies you have now for humans to visit planets around other stars? Who rode a bike over the moon? What day of the week was first August 1946? What are staactite and stalagmites? When did they make the International Space Station? What is the primary energy source in the solar system? How fast does a space shuttle travel while in orbit? How old was Pete Conrad when he landed on the moon? What does AGB stand for? What two forces are balanced during the main sequence? What theory is Edwin Hubble the founder of? Why does the sky change colors? Why does the surface of the moon appear scared? How many moons does the Jupiter have? What is the function of the air space on a egg?