Besides Tesla, Inc., the technician Musk, Space X is also Musk's "heart".

On Thursday, US time, NASA released an audit report on the Commercial Astronaut Program, which aims to provide financial support to Boeing Co and SpaceX to develop a spacecraft to take astronauts to the International Space Station. The report lists common technical problems encountered by the two companies in developing spacecraft, as well as a comparison of their development costs.

During the whole cycle of the report, Boeing Co received a total of $4.82 billion from NASA, compared with $3.14 billion for SpaceX. Moreover, the price per seat of Boeing Co is much higher than that of the SpaceX, with the Starliner of the former at $90 million and the SpaceX manned dragon spacecraft at only $55 million.

Musk founded Space X to explore space at the lowest cost, which is now confirmed by NASA data. With the appearance of various amazing technologies of Space X, the valuation of Space X has also gone up. According to Bloomberg, Space X is currently valued at $33.3 billion, up 33% from last year and nearly 60 times more than a decade ago!

Musk has also been promoting the "Starlink" project recently. Star chain is a "satellite constellation" project being developed by SpaceX, which aims to form a low-cost, high-coverage space-based global communication system. SpaceX also plans to sell satellite services to the military and scientific institutions. The star chain network will take more than 10 years to build and is estimated to cost $10 billion.

Musk had previously posted a tweet to test it through the Starlink satellite. Last week, SpaceX successfully launched a second batch of 60 Star chain satellites into orbit using Falcon 9 carrier rockets at Cape Canaveral Air Force Base in Florida.