Pynciau a Argymhellir O fewn eich chwiliad
Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio '"Astronomical observations"', amser ymholiad: 0.02e Mireinio'r Canlyniadau
  1. 1
    Advancing variable star astronomy the centennial history of the American association of variable star observers
    gan Williams, Thomas R
    Cyhoeddwyd 2011
    Pynciau: “...Astronomical observations...”
    Printed Book
  2. 2
    Patricia L Through the telescope
    gan Barnes,svarney
    Cyhoeddwyd 2000
    Pynciau: “...Amateur astronomer Observing comets...”
    Printed Book
Offerynnau Chwilio: Cael Porthiant RSS — E-bostio'r Chwiliad hwn