In recent decades, space has become a crucial arena in international relations, reshaping geopolitical dynamics due to the increased reliance on satellite technology and strategic space assets. Nations globally recognize the economic and strategic advantages of space, leading to cooperation and competition. The expanding use of space for communication, navigation, surveillance, and exploration has become integral to modern societies. The commercial space industry, driven by private entities, contributes significantly to space endeavors. This heightened reliance on space assets necessitates robust space security policies to protect critical systems and maintain technological advantages. Traditionally, deterrence theories focused on terrestrial domains, but the unique characteristics of space demand a paradigm shift. The article introduces a novel perspective on space deterrence, emphasizing strategic capabilities, alliances, and a nuanced understanding of potential aggressors. Core components include denial, resilience, and cost imposition strategies. Military strength, alliances, and space-based nuclear assets play roles in conventional and nuclear space deterrence. Dissuading military aggression involves operational concepts, resilience, and strategic costs. Shaping aggressor thinking requires perception management, confidence-building, and norms. Crafting denial and punishment strategies involves arms control initiatives. Understanding potential aggressors involves assessing motives, aligning interests, and evaluating orbital escalation. The multidimensional nature of space deterrence converges to create a robust framework for dissuading aggression, ensuring a stable and secure celestial environment.