Wednesday, July 23, 2025

Before These Clouds Form Stars, They Form A Complex Network of Filaments

This artist's concept shows a Very High Velocity Cloud with a complex internal structure. New research based on China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) shows that these clouds develop a complex internal structure of intersecting and twisting filaments. Image Credit: Shanghai Astronomical Observatory

Researchers working with China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) have revealed some of the complexity in a type of cloud in the ISM. They've detected a network of filaments in one Very High Velocity Cloud (VHVC). The observations hint at the complexity that can evolve in these clouds, all without the influence of gravity.



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