A planetary penetrator is a kind of machine that can use its special structure to independently penetrate an exoplanet and sample it for storage. It is a hot research topic in the world and has important development potential in the field of deep space exploration. Based on the analysis of relevant literature, this paper classifies and compares various representative planetary penetrator projectiles around the current research status. The development progress and key technologies of the planetary penetrator are analyzed, the current technical challenges are summarized, and the development trend of the planetary penetrator has prospected. The planetary probe has a broad application prospect, and its development will provide technical support for humans to establish extraterrestrial habitat, and play an important role in the field of deep space exploration. Currently, planetary penetrator research is still in its infancy, and the field is full of possibilities that need to be explored and improved.

中文翻译：

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行星侵彻机的研究与发展综述

行星穿透器是一种可以利用其特殊结构独立穿透系外行星并采样存储的机器。它是国际上的研究热点，在深空探测领域具有重要的发展潜力。本文在分析相关文献的基础上，围绕当前的研究现状，对各种具有代表性的行星侵彻弹进行了分类和比较。分析了行星侵彻机的发展进展和关键技术，总结了当前的技术挑战，并对行星侵彻机的发展趋势进行了展望。行星探测器具有广阔的应用前景，其研制将为人类建立地外栖息地提供技术支撑，在深空探测领域发挥重要作用。目前，行星侵彻器研究仍处于起步阶段，该领域充满了需要探索和完善的可能性。