How many days a year of sunshine does Denver get?

How can you tell where the Sun is by looking at your shadow? What do you call the moon when it is not lit up? What do scientists use to look into space? Why was the NASA formed? How do you put meteorology in a sentence? Why did hydrogen stopped being used in air balloons? What is it when A week after the new moon we see half of yhe moons face lit up andbit looks like a semicircle? What is a great discovery that employed the use of models? What type of science deals with the study of the universe? What years was spacecraft invented? What did Penzias and Wilson discover? How many times can the Moon fit in the Earth? What does the sun symbol mean on dash? How fast does the space shuttle travel while in space? What is the approximate temperature of stratosphere? How many miles away did a seismograph pick up the launching of Saturn V? What happens to a balloon if is put outside in the air? What type of orbit do the planets have to revolve around the sun? What is the significance of the constellations Little Dipper and Big Dipper in the night sky? Which constellation contains the black dwarf?