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An Interstellar Probe for the Next Heliophysics Decadal Survey

机译:下一个光晕的星际探针探针

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Interstellar Probe is a dedicated mission through the outer heliosphere and into the interstellar medium beyond. It has been under discussion for almost 60 years. There has been a renewed interest both in the mission's traditional "home," NASA's Heliophysics Division (and its precursor NASA subdivisions), and also in the broader space science community. NASA's Science Mission Directorate (SMD) is, therefore, interested in a mission architecture that could serve a more broadly defined set of science goals. These include but are not limited to: studying the heliosphere as a habitable astrosphere, investigating the formation and evolution of planetary systems, and uncovering early galaxy and star formation. These goals are all enabled by the unique vantage point of a properly instrumented robotic craft, traveling rapidly and far from the Sun and away from the dust within which most of the planets, including the Earth, are situated. With planning beginning for the next Heliophysics Decadal Survey study by the U.S. National Academies of Sciences, Engineering, and Medicine, NASA's Heliophysics Division has tasked the Johns Hopkins University Applied Physics Laboratory to provide scientific and technical input to support those activities. These focus on determining how a "near-term" Interstellar Probe mission might be implemented during the time period covered by the next decadal surveys, that is, roughly by the year 2030. The study focuses on the key scientific and technical questions facing of such an ambitious mission. Some of these questions include: can NASA fly a credible mission by 2030? Does the science case remain compelling? What is the technical readiness for a launch in that time period? Can new large launch vehicles, e.g., the Space Launch System (SLS) Block IB, enable such a mission? What engineering challenges remain with payload mass and power constraints, mission longevity, communications capability, and radioisotope power system performance and lifetime.
机译:星际探针是通过外部光圈和外部介质的专用任务。它已经讨论了近60年。在特派团的传统“家”中,NASA的Heliophysics部门(及其前纵NASA细分)以及更广泛的空间科学界。因此,美国宇航局的科学任务总局(SMD)对一个可以提供更广泛定义的科学目标的使命架构感兴趣。这些包括但不限于:研究氦圈作为可居住的天空圈,调查行星系统的形成和演化,并揭示早期的星系和星形形成。这些目标全部由一个正确的仪器机器人工艺的独特有利点,迅速行驶,远离太阳,远离尘埃,其中大部分行星在包括地球上都位于。随着美国国家科学研究,工程和医学院的下一个光晕妇女院校调查研究的规划,NASA的Heliophysics部门已经任务了约翰霍普金斯大学应用了物理实验室,提供科学和技术投入来支持这些活动。这些重点是确定在下一个Decadal调查所涵盖的时间段内的“近期”星际探针使命,即大约2030年。该研究侧重于面临的关键科学和技术问题一个雄心勃勃的使命。其中一些问题包括:NASA可以在2030年到2030年飞行可靠的使命吗?科学案例是否仍然引人注目?该时间段的推出技术准备是什么?可以新的大型发动车辆,例如,空间发射系统(SLS)块IB,启用这样的使命?有效载荷质量和功率限制,使命寿命,通信能力和放射性同位素电力系统性能和寿命,仍有哪些工程挑战。

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