Arthur R. Upgren

Weather: How It Works and Why It Matters

Arthur R. Upgren

$5.69 - $26.35

The Turtle and the Stars: Observations of an Earthbound Astronomer

Arthur R. Upgren

Out of Stock

Ufo'S And E.T.'S (Secrets of Space)

Arthur R. Upgren

$4.89 - $5.89

Sun And The Solar System (Secrets of Space)

Arthur R. Upgren

Out of Stock

New Developments in Array Technology and Applications (International Astronomical Union Symposia)

Arthur R. Upgren

$169.99 - $219.99

Objective-Prism and Other Surveys: A Meeting in Memory of Nicholas Sanduleak, May 9-11, 1991, Van Vleck Observatory, Middletown, Conn (Van Vleck)

Arthur R. Upgren

Out of Stock

Many Skies: Alternative Histories Of The Sun, Moon, Planets, And Stars

Arthur R. Upgren

$8.49 - $38.95

Night Has a Thousand Eyes: A Naked-Eye Guide to the Sky, Its Science, and Lore

Arthur R. Upgren

$7.69 - $56.91