31 reactions | It takes powerful, steady propulsion to help spacecraft travel through the expanse of space. In our Electric Propulsion and Power Lab, we use large space environment simulation chambers to test and develop propulsion systems. Go inside in this virtual tour: https://www.nasa.gov/specials/epl360/ | NASA's Glenn Research Center | Facebook

39K views · 1.5K reactions | SpaceX has installed 29 raptor engines on Booster 4, a Super Heavy prototype. It will be attempt to launch the Starship SN4 on its first orbital test flight. | Space.com | Facebook