SpaceX tests rocket engine aimed to take humans to Mars
Elon Musk Co-founded aerospace company SpaceX on Monday test-fired the interplanetary transport rocket engine Raptor, which aims to take the humans to Mars by 2024. The rocket aims at a specific impulse of 382 seconds and a thrust of 3 MN (310 metric tons), which is more than three times that of the current Falcon 9 rocket.