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Script for 'The Night Sky in January', 1957-01

Reference Code: GBR/0180/RGO 45/318

Scope and Contents

An annotated copy of Porter's script for 'The Night Sky in January' on the comet discovered in November 1956, predicted to be a naked eye object by the spring; Venus drawing near the Sun in the morning sky, Jupiter to be the brightest planet, Mars fading in the early evening, and Saturn coming into view in the morning; International Geophysical Year; Robert Hooke observing that Gamma Arietis was a double star in 1664; other easily observable double stars: Polaris, Alcor and Mizar, Castor, and Gemini; Canis Minor, Procyon and Sirius; the discovery of 800 double stars by William Herschel and the 30,000 known today; the proof that double stars are in fact physically linked and not just line of sight phenomena, eclipsing variables, spectroscopic binaries and the tidal forces in very close binaries; multiple stars, such as Castor and Proxima Centauri; and the similarities and dissimilarities of binaries, such as Procyon and Sirius.


  • 1957-01

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5 page(s)

Language of Materials


Finding aid date

2007-04-13 12:42:19+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

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