It may interest you

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    The Shesat instrument for the alignment of temples in Ancient Egypt
  • Group of Galaxies of M81 (Bode Galaxy), including M82 (Cigar Galaxy)
    Group of Galaxies of M81 (Bode Galaxy), including M82 (Cigar Galaxy)
  • Fases AGB en la evolución de una nebulosa planetaria simétrica de 1 masa solar
    AGB phases in the evolution of a 1 solar mass symmetrical planetary nebula