👉 "Radialia" is a term in the field of astrophysics, specifically related to the study of the distribution and motion of gas and dust around stars. It refers to the curved lines that define the shape of the surface of a star or galaxy. The radialia are not visible directly from Earth, but they can be observed through telescopes using high-resolution cameras like the Hubble Space Telescope. They are important for understanding the properties of stars and galaxies, including their mass distribution, rotation
