What kind of technological innovations did Robert Ballard use?

Is the sun a living or a nonliving thing? What are the highest clouds in the sky made of? What are the two names of the space shuttles that exploded? How big is 100 solar masses? Why is Ken Mattingly replaced with Jack Swigert? What is Zeus qualities strengths or talents? How much of the moon can you see if it's a full moon? What was the reason for Neil Armstrong's exploration? What is the diameter of Jupiter? When or where is solar energy worth exploiting? How many stars are there in our solar system? What was the second mission to the moon? What planet is the largest of all planets? Why moon does not have lithosphere? If a space shuttle goes into a higher orbit what happens to its period? What is a crack in glass that extends outward is called? Launch of Apollo 11? How much time does it take to one full moon to another? How does the moon interact with the earth and sun? What is the path the earth follows as it moves around the sun?