S. Alan Stern , Silvia Protopapa , Matthew Freeman , Joel Wm. Parker , Mark Tapley , Darryl Z. Seligman , Caden Andersson
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引用次数: 0
Abstract
The first discoveries of Interstellar Objects (ISOs), i.e., small bodies moving through our Solar System on high-speed hyperbolic orbits, occurred in 2017 and 2019, decades after ISOs were first predicted. The scientific value of ISOs is high, as they represent samples, most likely planetesimals, from other solar systems. A significant increase in the rate of ISO discoveries is expected in the late 2020s and in the 2030s owing to the advent of several new observing capabilities enabling more routine ISO detections. Here we investigate how a space mission to reconnoiter an ISO can be designed, including discussions of the scientific objectives and payload for such a mission, its unique mission design aspects, and some preliminary spacecraft and payload considerations, all in support of possible proposals to conduct such a mission in the 2030s.
期刊介绍：
Planetary and Space Science publishes original articles as well as short communications (letters). Ground-based and space-borne instrumentation and laboratory simulation of solar system processes are included. The following fields of planetary and solar system research are covered:
• Celestial mechanics, including dynamical evolution of the solar system, gravitational captures and resonances, relativistic effects, tracking and dynamics
• Cosmochemistry and origin, including all aspects of the formation and initial physical and chemical evolution of the solar system
• Terrestrial planets and satellites, including the physics of the interiors, geology and morphology of the surfaces, tectonics, mineralogy and dating
• Outer planets and satellites, including formation and evolution, remote sensing at all wavelengths and in situ measurements
• Planetary atmospheres, including formation and evolution, circulation and meteorology, boundary layers, remote sensing and laboratory simulation
• Planetary magnetospheres and ionospheres, including origin of magnetic fields, magnetospheric plasma and radiation belts, and their interaction with the sun, the solar wind and satellites
• Small bodies, dust and rings, including asteroids, comets and zodiacal light and their interaction with the solar radiation and the solar wind
• Exobiology, including origin of life, detection of planetary ecosystems and pre-biological phenomena in the solar system and laboratory simulations
• Extrasolar systems, including the detection and/or the detectability of exoplanets and planetary systems, their formation and evolution, the physical and chemical properties of the exoplanets
• History of planetary and space research
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