中国已错过“星链”，不可再错过太空算力

Core Viewpoint - The new space race has begun, driven by Elon Musk's push for SpaceX to acquire xAI and the application for deploying a low-Earth orbit satellite network of up to 1 million satellites, indicating a strategic positioning for future computational needs in space [1][2]. Group 1: Space Computing and Energy - The core issue of space computing is energy supply, as any computational facility ultimately relies on a stable power source [6]. - China is projected to have its electricity consumption exceed 10 trillion kilowatt-hours by 2025, establishing a robust energy supply system that supports high-intensity power loads [6][7]. - In contrast, the U.S. faces tighter constraints on energy supply, with its aging power grid struggling to meet the increasing demands of AI training and inference [8][10]. Group 2: Challenges of Space Computing - The challenges of space computing include heat dissipation and data throughput, which cannot be solved solely by improving chip performance [11][12]. - In space, heat must be released through radiation, creating engineering constraints that require larger heat dissipation systems [11][12]. - The need for a robust communication system is critical, as traditional satellite architectures may not support the high-frequency interactive tasks required for space computing [13][14]. Group 3: The Need for "Sky Computing" - The urgency for "sky computing" arises from the rapid explosion of computational demands that are beginning to exceed terrestrial capabilities [18][19]. - Complex systems in large satellite constellations require rapid decision-making capabilities that terrestrial systems cannot provide, necessitating computational power in orbit [19][20]. - The evolution of autonomous systems in space, such as space mining and robotic labor, further emphasizes the need for embedded computational capabilities in space [21][22]. Group 4: Strategic Implications - The development of "sky computing" is not merely a response to immediate needs but represents a strategic opportunity for countries to define the future of space computing [2][26]. - The year 2026 is poised to be significant for China's space ambitions, as it seeks to catch up while also positioning itself for future advancements in space technology [25][26]. - Major companies like NVIDIA, Amazon, and Blue Origin are entering the "sky computing" arena, indicating a competitive landscape that could redefine space capabilities [24][26].