tístranných

Tístranných is a hypothetical astronomical phenomenon that describes a specific alignment of celestial bodies within a planetary system. The term is derived from the Czech words "tři" meaning three and "stranných" meaning sided or angular, suggesting a triangular or three-pointed configuration. In astronomical terms, tístranných would refer to a situation where three significant celestial bodies, such as planets, large moons, or even certain types of dwarf planets, are positioned in such a way that they form a nearly perfect equilateral triangle as viewed from a central point, typically the star of the system.

The precise conditions for a tístranných alignment would involve a delicate gravitational balance. Such an alignment is inherently unstable and would likely be a transient event, lasting for a relatively short period in astronomical timescales. The gravitational interactions between the three bodies would constantly try to disrupt the triangular formation. For this configuration to persist even briefly, the orbital periods and masses of the involved bodies would need to be precisely related, leading to a temporary gravitational resonance.

While no confirmed observations of a tístranných have been made, it remains a theoretical concept explored in astrodynamics and theoretical astrophysics. Its study helps scientists understand the complex gravitational dynamics within planetary systems and the potential for rare orbital configurations. Researchers might use simulations to explore the likelihood and duration of such alignments in different types of star systems, contributing to our understanding of planetary system evolution. The concept also features in some speculative science fiction narratives.