According to research models, when did the Sun encounter the dense Local Leo Cold Cloud?
Answer
Between 2 and 3 million years ago (Myr ago)
Research has identified a significant encounter moment, coinciding with the transit through or near the LLCC, estimated to have occurred between 2 and 3 million years ago.
Related Questions
What astronomical structure is referred to by the term 'local lynx of cold clouds'?How is the Local Leo Cold Cloud (LLCC) structurally related to the Local Interstellar Cloud (LIC) complex?According to research models, when did the Sun encounter the dense Local Leo Cold Cloud?What is the primary physical characteristic that distinguishes the LLCC from the surrounding interstellar environment?What effect does a significantly denser cloud encounter have on the heliosphere's protective boundary?Which atmospheric layer is specifically proposed to potentially show terrestrial signatures from increased GCR flux during the LLCC passage?What happens to the flux of galactic cosmic rays (GCRs) reaching Earth when the heliosphere is compressed by a dense cloud?If the heliosphere shrinks dramatically during the LLCC passage, how small might its radius be modeled to become?What is the primary scientific value of comparing the LLCC's required density to the current LIC density?What is the Solar System currently situated within, providing a baseline level of shielding?