👉 The term "incandescence" in the context of astronomy refers to the phenomenon of a star or planet emitting light that appears to be completely transparent, as if it has no color or other characteristic. This effect is often described as being "white," and is due to the lack of absorption or scattering of light by molecules in the star's atmosphere. In more recent times, incandescence has been used to describe the appearance of a star that has undergone significant changes in its chemical composition