What takes about one month to complete?

What is the oigin of the idiom pie high in the sky? Why does the stratosphere has no clouds or weather? What happens if the sun grows bigger? How are betelgeuse and wolf 359 alike? What did Apollo 11 take from the Moon? What is the significance of the half crescent moon in various cultures and mythologies? What would the colony need to protect its people from the temperatures on the moon? What do scientist use the constellations for? What does Odysseus mean when he says that no man can avoid the eye of Helios? What cloud is layered and mid level? What is the white jacket that Kevin gates wears in the music video satellites? How many miles does it take to leave earth's atmosphere? What kind of food did they eat in space on the Apollo missions? Who leaked NASA info? What kind of god is Hestia? When did Albert Einstein become a famous scientist? How do you get sunscreen off your CD? The inner planets and outer planets are separated by? What is a typical meal in space? The big bang theory suggests that the origin of the universe began with that exploded and expanded?