Bob Argyle – författare
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2 produkter
An Anthology of Visual Double Stars
Av Bob Argyle, Mike Swan m. fl.
Häftad, 2019
616 kr
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Modern telescopes of even modest aperture can show thousands of double stars. Many are faint and unremarkable but hundreds are worth searching out. Veteran double-star observer Bob Argyle and his co-authors take a close-up look at their selection of 175 of the night sky's most interesting double …
Observing and Measuring Visual Double Stars
Av Bob Argyle
E-bok, 2006
1174 kr
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Double stars are the rule, rather than the exception: our solar system, having a single sun, is in the minority. Orbiting satellites, ground-based observatories and interferometers have all helped discover many hundreds of new pairs - but this has left enormous numbers of wide, faint pairs …
