What is the surface temperature of the star Sadalsuud?

Is Apollo 1 still occurring? Why do most tornadoes occur in north America? What feature is unique to the earth? What does objects that orbit the Sun do or do not? Could you be pregnant if your period was late and it only lasted three days? Is there a students' training program at NASA? Did Neal Armstrong leave his boots on the moon? What is the legend of Orion? How much solar system mass does our sun account for? Do you lose weight when your on the moon? What planet has the coldest spot in the solar system? Why are stars tiny? Which types of optical discs are capable of storing data on both sides? How did the Apollo 13 astronauts fix the problem of the oxygen leaking? Picture of earth moon and sun? Is the diameter of Charon smaller than the diameter of Europa? What was Buzz Aldrin doing as he stepped off the landing pad? How many component does an spacecraft have? How much did Apollo 11 weigh? What is the order of the moon phases?