Todorović Nataša, Wu Di, Rosengren Aaron J
Belgrade Astronomical Observatory, Belgrade, Serbia.
Department of Aerospace and Mechanical Engineering, The University of Arizona, Tucson, AZ, USA.
Sci Adv. 2020 Nov 25;6(48). doi: 10.1126/sciadv.abd1313. Print 2020 Nov.
Space manifolds act as the boundaries of dynamical channels enabling fast transportation into the inner- and outermost reaches of the Solar System. Besides being an important element in spacecraft navigation and mission design, these manifolds can also explain the apparent erratic nature of comets and their eventual demise. Here, we reveal a notable and hitherto undetected ornamental structure of manifolds, connected in a series of arches that spread from the asteroid belt to Uranus and beyond. The strongest manifolds are found to be linked to Jupiter and have a profound control on small bodies over a wide and previously unconsidered range of three-body energies. Orbits on these manifolds encounter Jupiter on rapid time scales, where they can be transformed into collisional or escaping trajectories, reaching Neptune's distance in a mere decade. All planets generate similar manifolds that permeate the Solar System, allowing fast transport throughout, a true celestial autobahn.
空间流形作为动态通道的边界,能够实现快速运输至太阳系的内外边缘。这些流形不仅是航天器导航和任务设计中的重要元素,还能解释彗星明显的不规则特性及其最终的消亡。在此,我们揭示了一种显著且迄今未被发现的流形装饰结构,它以一系列从小行星带延伸至天王星及更远区域的拱门形式相连。研究发现,最强的流形与木星相连,并在一个广泛且此前未被考虑的三体能量范围内,对小天体具有深远的控制作用。这些流形上的轨道会在短时间尺度上与木星相遇,在那里它们可以转变为碰撞或逃逸轨道,仅需十年就能抵达海王星的距离。所有行星都会产生类似的流形,它们遍布太阳系,实现了整个太阳系的快速运输,这是一条真正的天体高速公路。