What day did April 13 1951 fall on?

When is the optimal time to observe the moon in the night sky? Why is it dangerous to look at the Sun during an eclipse? What constellation is the highest in the sky during the spring? When you view the milkway in the night sky what are you seeing? Why are the days of the week named? Who was the son of Zeus? Is the moon big? What is a kitspah? What is a good introductory paragraph on a report for Jupiter? What Hawaiian word for heaven? Only one side of the moon faces Earth because? What mysteries lie within the vast expanse of the galaxy, resembling a watchful eye in the night sky? When was the 100th us space walk? Dark areas on the surface of mars are called? Would you have more mass on the moon than earth? Does going to space take years off your life? Is Neil Armstrong astronaut left or right handed? What does the moon look like for the past three days? When did the first rocket land? Which terrestrial planet is least dense?