What is stratocumbulus?

What 2 things are possible because of the ionosphere? Do meteors reflect light or emit light? What impact did the invention of the sextant have on people? How would having GPS technology have helped early navigators? What is the area around a star which is just the right temperature for life? What are the benefits of the earths movement? Which star is cooler and more brighter than the sun? Can you walk on Triton? Why does sound not travel on the moon? Which GPS is most accurate? What is the relative size of the inner planets? What is the similarities during day and night? What is a three quarter moon called? How long does a star usually last until it dies? What is the mass of the Sun based on data for Earth's orbit and compare the value obtained with the Sun and actual mass? What is astrophsicist? The ionosphere grows to its greatest thickness during which time? Who launched the first liquid fueled rocket? Which clouds don't produce rain? What is 13 degrees below?