Astronomy

What is the function of the thermosphere? What time is on the clock tower on the new 100 dollar bill? What are the names of the 9 stars in Leo? How long does a lunar cycle take to be complete? How long would it take to get to the edge of the Milky Way galaxy? What does Quel est ton signe du Zodiaque mean in french? Who made Apollo 11? What phase of the moon was visible on March 25 2008? How long does it take to go round the biggest star? How old was John Glenn when he walked on the moon? How high is Aconcagua? What calendar year is the same as 1966? What would happen to earths moon if the force of gravity stopped? What do you do in ISS for the first time? Why does the moon look like it moves across the sky? What is Pan in astronomy? What was the first clock? Why was the U.S. so concerned with trying to be the first to put a man into space? Where is Pegasus located in the sky? Do stalactites rise from the floor or from the celling of limestone caves?