Educational infographic of the HertzsprungRussell diagram, showing stellar luminosity class as a main focused topic (Yerkes Spectral Type), and spectral classification. Useful for astronomy study, astrophysics teaching, and scientific visualization. Hoodie #843006012
This timeless hoodie is a must-have in any wardrobe. It features a pre-shrunk fleece knit, an air jet yarn to provide a softer feel and reduce pilling, a double-lined hood with a color-matched drawcord, and a large pouch pocket. This solid-colored hoodie is made of 50% pre-shrunk cotton and 50% polyester.
