What is a appoculips?

How are the atmospheres of earth and mars alike? When did russia send there spacecraft to the moon? What planet has the most similar gravity to earth? How does albedo affect temperature? Can you stand on Jupiter? What moon occurs about 3 days before new moon? An artificial satellite is moving in a circular orbit of radius 42050 km. calculate its speed if it takes 24 hours to revolve around the sun? What is spatial trajectory? What hemisphere is the constellation hydra located? How many angels are living on the planet earth? What does the a stand for in the initials NASA of federal agency? What layer in the atmosphere has the lowest density? How does the last quarter moon look like? Is masterchief still alive? How many earth days is a year on mars? Did Apollo love Hyacinth? How much stars does the Orion constellation have? How did the Joplin tornado start? How light splits into a rainbow? Why is it that some days seem longer than others?