Hartman, William K.
Astronomy : the cosmic journey / William K. Hartman
Wadsworth, 1985
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Adams, Fred
Cosmic update : Dark puzzles. Arrow of time. Future history
[Springer, ], 2012
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Arny, Thomas T.
Explorations : an introduction to astronomy / Thomas T. Arny
McGraw-Hill, Higher Education, 2004
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Hodge, Paul W.
Concepts of contemporary astronomy / Paul W. Hodge
McGraw-Hill, 1974
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Moche, Dinah L.
Astronomy : a self-teaching guide
John Wiley & Sons, 1981
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