What is the alternate name of Sun?

Could other earth-like planets exist in the universe? Which country has launched most rockets? Why did Apollo 13 not land on the moon? Who statement best describes Jamestown? Will peeing in space make you move? What is the ninth planet from the sun? What is the dhatu roop of Dhav? What is the noun of universe? What is Mars' surface made of? Who uses sundial? If the sun is so hot why doesn't it burn blue of purple? What kind of star is the Dubhe? At what altitude does the shuttle orbit Earth? How do planets affect us? What effect does the atmosphere have on incoming solar radiation? What are huge bursts of gas that appear to leap from the Sun in a twisting arc are called? How far has a space probe gone into space? Would astronauts go to the mars will they float as they went on the moon? Why do poles receive less solar energy then the equator does? Why can't Centaurus be seen year-round?