How is a stars color related to the temperature?

Who was the 2nd person on moon? What does a stars dark line spectrum reveal? What Surya real name? What was Sputnik-1 supposed to do? Who was Demeters daughter? How are the moon's dark-colored areas different from its light-colored areas? Deep direct locked eye contact? Where is the International Space Station located? When the norh end of earth's axis is tilted toward th sun what will norh America experience? What percent of ultraviolet light energy comes from the sun? Who discovered the gliese 581 c? How heavy was Apollo 11? Which way should you face a solar house and why? If the force of gravity between the earth and moon were reduced how might the Moon's orbit change? When you choose fruit at a supermarket you might heft the fruit in your hand to test its weight. How does this tell you whether the fruit is dried inside? What will form when a stalactite and stalagmite joined? How did winds help early explorers sail around the globe? Who is the leader of the Janus in The 39 Clues? Do you float on Mars? Is there a part of earth that experiences only daylight or only darkness during the year?