The Comet Sweeper (Icon Science): Caroline Herschel's Astronomical AmbitionCărți electroniceThe Comet Sweeper (Icon Science): Caroline Herschel's Astronomical AmbitiondinClaire BrockEvaluare: 3 din 5 stele3/5Salvați The Comet Sweeper (Icon Science): Caroline Herschel's Astronomical Ambition pentru mai târziu