The Taurus Molecular Cloud, seen here by the APEX telescope, provides a nice birthplace for our young star. Image credit: ESO/APEX (MPIfR/ESO/OSO)/A. Hacar et al./Digitized Sky Survey 2, CC BY 3.0.I like thinking about astronomical objects in universes like our own, but with a twist. For instance, in a universe with a lot of dark matter, how soon after the Big Bang can stars form? Or consider …