465K views · 613 reactions | Watch as SpaceX test fires its new Raptor engines for the first time. These new engines are what the company hopes will propel humans to Mars. https://cnn.it/2DS8tjU | CNN Business | Facebook

SpaceX Merlin Engine Vs. SpaceX Raptor Engine The Raptor engine is significantly more powerful and advanced than the Merlin engine. While the Merlin uses a simpler RP-1 kerosene and liquid oxygen fuel combination, the Raptor employs methane and liquid oxygen, which allows it to be more efficient and ideal for long-term space exploration. Raptor’s design supports higher thrust levels and better efficiency, especially in deep space, whereas Merlin is optimized for cost-effective launches to Earth

4.1K views · 148 reactions | Merlin Vacuum engine burning to orbit during sunset | SpaceX | Facebook