What is the surface temperature of the star gamma pyxidis?

How many stars does a 1922 half dollar have? How many mercurys can fit in Jupiter? What elements make up the moon? Is a red giant an old dense cool star? What does TARDIS stand for? What direction does the sun rise in ny state? How much does the moon wobble up and down? A sentence using the word midnight in it? What national issues does easterbrook suggest are more important than sending U.S astronauts to Mars? Is earths gravity strong or weak? What is the band of colors in the rainbow? What is another word for no light? Why is the Earth's axis tilted? What direction does the sun face? Are planets and moons all held is place by gravity? How did the space shuttle the challenger blow up? Would an air filled balloon placed in the freezer be expansion or contraction? Who built the first barrage balloon? What was the first name of the first man in space? Which best describes why the moon appears to shine its own light?