What is a field of observation?

Who was the first fare paying passenger to fly to space according to nasa? What is the temperature of a lit match? Who is the first Indian to become the head of international academy of astronautics? How tall is the Swiss Alps in feet? What do you look through to see things far? What is the biggest invisable object? Who became first lord of the universe and how did he acquire this position? List the names of satellites launched by NASA? Who is Neil Armstrong's role model? How much thicker is the thermosphere to all layers combined? What are the example of luminous materials? When did Space Shuttle Columbia disaster happen? A 200 pound astronaut and equipment move with a velocity of 2msec toward an orbiting spacecraft How long will the astronaut need to fire 100 N rochet to stop the motion relative to the spacecraft? What cannot be used to study the celestial bodies? How much miles per hour was the Apollo 11 traveling? What will you see during a solar eclipse and how can you safely observe it? What hemisphere is pointing towards the sun in late December? How do scientist use magnification to solve problems? What is the farthest planet from the sun at certain times? What is the synonym of awe?