Why does the flame from a match have no shadow?

The flame glows mainly due to incandescent soot particles. But they also absorb the light passing through the flame. With a small flame width, this absorption is negligible, and the shadow is hardly noticeable.

Acrylic painting, collage, acrylic, ink on paper, spots and lines.

Acrylic painting on paper 250 mg. Height: 65,00 см Width: 50,00 см Depth: 0,1 см Abstraction painting on paper with acrylic, artist's signatur - 2022.