Elon Musk responds to space data center discussions, emphasizing SpaceX's advantage in having over 10000 satellites in orbit According to BlockBeats, on June 16th, discussions about the feasibility of heat dissipation in space data centers continued to ferment. X user XFreeze pointed out in a post that space data centers are not science fiction ideas, and their core relies on validated thermodynamic and aerospace engineering systems, rather than new physical breakthroughs. The post explains in detail that in the Earth's environment, data center heat dissipation mainly relies on air convection, water cooling, fans, and cooling towers. In a vacuum environment, it is impossible to "dissipate heat" to the outside world through convection or heat conduction. Therefore, a completely different path must be adopted: the heat generated by the chip is introduced into the liquid cooling circulation system, pumped into a large radiation plate, and then released into deep space in the form of infrared radiation. Its essence follows the Stefan Boltzmann law, which states that radiated power is proportional to the fourth power of radiated area, emissivity, and temperature. This mechanism is not a theoretical idea, but a mature technological system that has been used by spacecraft such as the International Space Station (ISS) for a long time. ISS continuously radiates the heat generated by equipment and life support systems into space through pump driven cooling circuits and external large radiators. The difference lies only in scale and power density, rather than the physical principles themselves. On this basis, the user believes that the engineering difficulty of the "Space Data Center" lies not in physical feasibility, but in system level scalability, including how to deploy large-area radiators in orbit, how to improve material temperature resistance limits, how to optimize liquid cooling cycle efficiency, and how to match continuous and stable power input and communication links. He pointed out that SpaceX's ongoing "AI1" class orbital data center concept relies on a deployable large liquid cooled cooling structure and high-power solar energy system to solve the coupling problem between computing power and thermal management. Subsequently, Musk responded by stating that SpaceX has over 10000 satellites in orbit, a scale "far exceeding the sum of all other space systems," indicating that the company has ample experience in orbital system operations and space infrastructure. He did not directly evaluate the specific design of the space data center, but this statement was interpreted by the outside world as an emphasis on SpaceX's in orbit engineering capabilities and large-scale system deployment experience. [Original link]