How do you clear nebula?

What is Vasco Nunez Balboa's birth date? What is the apparrent magnitude of the star 'Arcturus'? Bodies in space that given of light of its own? What type of noun is full moon? Planet X will really hit your earth or not? What is the suns next stage after 5 billion years? Did the fruit flies in space die? Why did Augustus personally honor Apollo? What happens when the space shuttle takes off and moves away fromm earth? One who hates mankind? A system of drawing based on the idea that closer objects appear larger and distant objects appear smaller? How big is poster paper? What does a new moon mean? What is the name of the space agency created by the government in 1958? What will the sun turn into when it runs out of fuel or fusion does this mean the end of life on earth? What is the answer to the puzzle for card 91 in the 39 clues? Can use light energy of the Sun to produce their own food? What landforms does Jupiter have? How many space shuttles are built every year? Why do the stars appear to move 360 degrees in 24hours?

How do you clear nebula?