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Journal of Scientific Instruments, 1925
The instrument described consists of a sundial geared to the hands of a clock and gives Greenwich mean time without observing a shadow or manipulating sliding scales. It is the invention of Professor W. E.
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The instrument described consists of a sundial geared to the hands of a clock and gives Greenwich mean time without observing a shadow or manipulating sliding scales. It is the invention of Professor W. E.
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Space Science Reviews, 1998
Various observable properties of the Sun are compared with those of solar-type stars. It is concluded that the Sun, to a remarkable degree, is “solar-type”. As regards its particular mass and age, and probably its non-binarity, “anthropic” explanations may seem in place.
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Various observable properties of the Sun are compared with those of solar-type stars. It is concluded that the Sun, to a remarkable degree, is “solar-type”. As regards its particular mass and age, and probably its non-binarity, “anthropic” explanations may seem in place.
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The sun's vitamin against sun allergy.
The British journal of dermatology, 2011openaire +4 more sources
Sun smarts: The essentials of sun protection
Journal of Pediatric Health Care, 1999openaire +2 more sources