How many pounds of trash is in the sea?

How do refracting telescopes work to magnify distant objects in space? How does a Saturn V rocket work? What is the hottest star in the constellation pegasus? What does stele mean? What is red giant in Cetus? What is a riddle to help you remember the moon phases? Who said keep your eyes on the sky and in what movie was it said? What does obsivation mean? When was the astroblade invented? How was the heliocentric model proven? How are monsoons measured? When Americans and soviets made a historic link in space it seemed to be what? Who were the names of the first two people to walk on the moon? What is the closest distance the moon has ever been to Earth? What properties affect the strength of the gravitational force between 2 objects? Did Zeus create the universe? What best describes the modern definition of a constellation? What is the difference between cosmology and astronomy? Can you make a rocket out of peanuts and fuel? Where does the phrase'omnia exeunt in mysterium' come from?