The centerpiece of issue 269 was a six-page expansion for Tyranids, bridging the gap before their full 4th Edition codex. Titled ”, it introduced:
If white dwarf 269 is a well-observed DA (hydrogen-rich atmosphere) or DB (helium-rich) white dwarf, its PDF likely contains photometric and spectroscopic data used to calibrate white dwarf cooling sequences. Researchers use such documents to: white dwarf 269 pdf