论文标题
我们的后院中的Exobodies：从任务到附近星际物体的科学
Exobodies in Our Back Yard: Science from Missions to Nearby Interstellar Objects
论文作者
论文摘要
最近发现的第一个确认的星际对象（ISO）在明显的双曲线对象上通过太阳系，打开了近期ISO任务的潜力，即对两个已知对象或将来发现的类似对象。这样的ISO是我们唯一有机会在不久的将来访问的唯一一个外观。这份白皮书着重于附近ISO的原位航天器探索的科学。这种航天器的任务现在是可能的，并且是2023 - 2032年际调查所涵盖的时期的合适潜在任务。航天器任务可以确定ISO的结构和化学和同位素组成，并在近距离飞行中与小的亚探针撞击器以及质谱仪或高分辨率的紫外线光谱仪。这项技术对于快速的跨性别对象（TNOS）和长时间彗星也将很有用。 ISO勘探具有在我们对银河系形成的银河进化，行星形成以及通过银河系循环的循环循环的银河发展知识方面的大量改进的潜力。
The recent discovery of the first confirmed Interstellar Objects (ISOs) passing through the Solar System on clearly hyperbolic objects opens the potential for near term ISO missions, either to the two known objects, or to similar objects found in the future. Such ISOs are the only exobodies we have a chance of accessing directly in the near future. This White Paper focuses on the science possible from in situ spacecraft exploration of nearby ISOs. Such spacecraft missions are technically possible now and are suitable potential missions in the period covered by the 2023-2032 Decadal Survey. Spacecraft missions can determine the structure and the chemical and isotopic composition of ISO in a close flyby coupled with a small sub-probe impactor and either a mass spectrometer or a high resolution UV spectrometer; this technology will also be useful for fast missions to TransNeptune Objects (TNOs) and long period comets. ISO exploration holds the potential of providing considerable improvements in our knowledge of galactic evolution, of planetary formation, and of the cycling of astrobiologically important materials through the galaxy.
