IA
Note sull'episodio
A 147 Million Year Old Galactic Brawl
Parole chiave
earthWikipediaCrime SceneClusterKilometers PerDark MatterMilky WayLight YearsNgc 1268PerseusEuclid Space Telescope147 MillionType IaMillion LightCatalogChandrasekharPlus MinusWhite DwarfCentral BarSpiral Arms