Elon Musk gave suggestions to NASA, told why Artemis-1 failed, how to go to the moon

The US space agency NASA has decided not to launch the Artemis-1 Moon mission. Scientists are reviewing alternatives after the mission failed twice. On Saturday, NASA prepared for the second launch of Artemis-1. But the gas leak started due to a breakdown in the connection between the liquid hydrogen fuel feed line and the Space Launch System (SLS) rocket. Then the scientists decided that they would not launch this mission in early September.

What is Elon Musk's suggestion

Tesla and SpaceX CEO Elon Musk on Sunday came up with a suggestion for a mission that would land astronauts on the Moon's surface after decades. Musk said that "the Raptor design started out using H2 (hydrogen), but changed to CH4 (hydrogen). In my opinion the latter is the best combination of high efficiency and ease of operation."

"The delta-5 difference between H2 and CH4 is not sufficient for most missions, because the CH4 tank is too small and needs no insulation," Elon Musk said. Delta-5 is the difference in velocity that a rocket engine can exert on a spacecraft as a function of variation in specific impulse and vehicle mass.

Suggestion for production of methane

According to Musk, CH4 (methane) is easy to produce on Mars and is "very important" for launch missions. SpaceX is one of the first companies to use liquid methane and hydrogen as fuel. In the coming days, NASA may try to launch the Artemis-1 mission for the third time.