[PDF] Great Astronomy Books
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As a quick in-the-field read, with charts and other information, there's "The Year-Round. Messier Marathon Field Guide" by Harvard Pennington (c) 1997. For more ...
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As a quick in-the-field read, with charts and other information, there's "The Year-Round. Messier Marathon Field Guide" by Harvard Pennington (c) 1997. For more ...
This chapter provides important safety information on operating the Astrophysics X-ray Imaging System. (XIS). It is intended for all users of the XIS. Safety ...
S67. Lang, K. R. & Gingerich, O. (1979). A source book in astronomy and astrophysics, 1900-1975. Cambridge, MA: Harvard University Press. QB51.