What does bizzard mean?

In which layer does 80 percent of the gas in the atmosphere reside? Why does a red giant appear reddish in color? Why did they name Apollo Apollo? Which is the correct order - white dwarf or red? What is the purpose of the speed of light? Where does the phrase'omnia exeunt in mysterium' come from? Which planet crossed the face of the sun after 122 years recently? How does the suns intensity on mercury compare with its intensity on the earth? What is the line called that separates the dark half from the light half of the earth? What did hubble discover as a result of studying the red shift of distant galaxies? What is the definition of low mass main sequence sun? How do you unscrew the glass from a Rolex watch? When is the last space shuttle flight? Why it is cooler in evening than in afternoon? What may bring fog? Did The Russian Sputnik began the space race? What does she is the brightest in the class mean? Why is planet Mars so hot? Where will the moon be relative to its current location 100 years from now? How many earths is it in the universe?