The Ghost in the Stack
Page three: a reader's letter. Signed, "Jervis, Nottingham." Complaining about the over-costing of Land Raiders. White Dwarf 137 Pdf
White dwarfs are made up of degenerate matter, meaning that the electrons are so tightly packed that they cannot move freely. This degeneracy pressure is what supports the star against further collapse, allowing it to maintain its structure. White dwarfs are typically about the size of Earth, but they have masses similar to that of the Sun, making them incredibly dense. The Ghost in the Stack
While official PDF versions are primarily available through the Warhammer Vault (a subscription service included with Warhammer+), you can find reference guides and community archives elsewhere: Summarize typical contents of a 1991-era White Dwarf