How did the milky way begin and how has it changed?

What does the pull of the moon have to do with ocean tides? What geographical location was the first word spoken on the moon? How could the altitude and azimuth be important? What does the biggest diamond in the world look like? What is Artemis area of domain of influence? What was astrolabes and quadrants used for? How hot is a quasar compared to other celestial objects in the universe? What is a different name for the color sky blue? How did Dalek Caan escape the Doctor in Evolution of the Daleks? What happens in the winter of the northern hemisphere? What is like in the planet Saturn? Why was Ender isolated? Which planet has the lowest night temperature? How long are sunsets typically observed to last? Give a listing of times mars can be viewed in your nightime sky? Why did Congress create the National Aeronautics and Space Administration (NASA)? Where did the Apollo 13 space ship land after returning from outer space? Where did summer come from? What are two scientist important to your understanding of astronomy? What is the mass of one litter of h2o on the moon?