What is a phenakistscope?

If a body falls freely from infinity then it will be striking the earth with what velocity? What moon would look the brightest from the Jupiter surface? What is anger that clouds ones judgement? Where did the word Haboob originate? Why is the launch pad in Florida? What year was Apollo 11 built? What president has his name on the moon? How is gravity and the tides related? How many planets are around the sun? Why did Zeus throw thunder bolts? Who are NASA's competitors? Why do stars appear in the night and not in the day? Why are the clouds so fluffy? What channel is the ball drop on? How do you make a screenshot in ma galaxy player 3.6? What would happen If the moon blew up? If one line on a pregnancy test was very faint right after 10 minutes? What is the scientific name of the little dipper? What are straight clouds called? What effect can the milky way planet have?