How do you magnify your document?

When did crab nebula actually explode? Which type of star is produced when a large star collapses in a supernova? What type of cloud can be the first sign that change in weather is coming? How many days does it take for earth to orbit the sun once? How do stalagmites form? Why are sunspots cooler than the surrounding surface of the sun? Why is the galaxy flat? What fraction of the sun's incoming energy? What causes the gas and dust in a nebula to contract? Why was eyeglasses invented? How do you tell the the time on a Nixon watch? When a stars nuclear energy runs out it dies A star can die in many ways A is one way a star might die and it can trigger the beginning of a new star's life cycle? What happens When a planet in its orbit is closer to the sun it? Why would your weight change but not your mass if you traveled to mars? What are Marc garneau's hobbies? Why is NASA important? Calculate your weight using the acceleration due to gravity g on earth Compare your weight on earth and your weight the moon? How often do maximum sunspots occur? Is Australia prone to tornadoes? Who did Wilbur Wright turn to for help with aeronautical research?