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There has been great interest in the claims of a 430-day period in the light curve of Betelgeuse, which is

One of the legacies of the Apollo missions and the fleet of unmanned probes that have followed them is the

Following a brief introduction to pulsars and how to intercept radio-frequency transmissions from them, this article describes the design and

In 1894, three Sydney members of the British Astronomical Association – John Tebbutt, Walter Gale and Robert Innes, all well-known

Direct, simultaneous imaging of the full Moon rising as the Sun was setting proves that both objects can be seen

The size of the sunspot group that produced the white-light solar flare observed by Carrington and Hodgson in 1859 is

A report of the Jupiter Section (Director: J. H. Rogers) After having been invisible during the previous opposition, late in

Harry Thornton and Leslie Rae were the Editors of the BAA Lunar Section publication The Moon from 1953 to 1967,

No BAA report for Jupiter in 1953–’54 has previously appeared. The apparition of 1952–’53 had been one of great activity,