What is 12ax3a?

How is a planet different from a moon? Largest constellations of the celestial sphere? Large dirty snowball that orbit the sun? If two planets have the same mass but different diameters Which planet has the stronger gravity at its surface? Is the spectrum of color called its value? When did earth become a planet? What does Jupiters surface look like? Does the star on the dollar bill make it worth more money? What angle would earth's tilt need to be in order for there to be no seasons on earth? Why was NASA established? Why might the author have chosen to focus on the employees at mission control center rather than on the astronauts in space. Support your answer. It's from race to save apollo13? What do you think makes balloon stay up? What does the term graff mean? What makes mountains so tall? What is nails Armstrong place of birth? What is the significance of the Saturn v rocket to the Apollo space program? How was the hubble telescope made and with what? Do the astronauts survive in armageddon? Why is there a crecent moon on South Carolina state flag? Why would scientists build space probes that don't carry people into space?