Space Shuttle Diagram Labeled

The Space Shuttle was a partially reusable low Earth orbital spacecraft system that was operated from 1981 to 2011 by the U. S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. Its official program name was Space Transportation System (STS), taken from a 1969 plan for a system of reusable spacecraft of which it was the only item funded for development....

Solar System Grade 4

The Solar System formed 4. 6 billion years ago from the gravitational collapse of a giant interstellar molecular cloud. The vast majority of the system's mass is in the Sun, with the majority of the remaining mass contained in Jupiter. The four smaller inner planets, Mercury, Venus, Earth and Mars, are terrestrial planets, being primarily composed of rock and metal. The four outer planets are...

China Moon Exploration Project

Instead of driving home, Rachel drives to Kyle's trailer, and he agrees to drive her home to get her things. He waits in the car as she packs a suitcase. Kyle does not see Rupert returning home, and when Rupert encounters Rachel in the act of leaving him, he flies into a rage. She gets her 9mm gun and shoots him twice in self-defense. She stops Kyle from calling the police because she points out...

Lance Armstrong Astronaut

Armstrong became the subject of doping allegations after he won the 1999 Tour de France. For years, he denied involvement in doping. In 2012, a United States Anti-Doping Agency (USADA) investigation concluded that Armstrong had used performance-enhancing drugs over the course of his career and named him as the ringleader of "the most sophisticated, professionalized and successful doping program...