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A multitude of measurement units exist within astronomy, some of
which are unique to the subject, causing discrepancies that are
particularly apparent when astronomers collaborate with researchers
from other disciplines in science and engineering. The
International System of Units (SI) is based on seven fundamental
units from which other units may be derived, but many astronomers
are reluctant to drop their old and familiar systems. This handbook
demonstrates the ease with which transformations from old units to
SI units may be made. Using worked examples, the author argues that
astronomers would benefit greatly if the reporting of astronomical
research and the sharing of data were standardized to SI units.
Each chapter reviews a different SI base unit, clarifying the
connection between these units and those currently favoured by
astronomers. This is an essential reference for all researchers in
astronomy and astrophysics, and will also appeal to advanced
students.
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Lotus's Secret (Paperback)
Richard Dodd; Contributions by Christopher Norman
bundle available
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R203
R165
Discovery Miles 1 650
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Santa's Gift (Paperback)
Richard Dodd; Illustrated by Christopher Norman
bundle available
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R233
R198
Discovery Miles 1 980
Save R35 (15%)
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Minty Visits (Paperback)
Richard Dodd; Illustrated by Christopher Norman
bundle available
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R204
R167
Discovery Miles 1 670
Save R37 (18%)
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Fluffy Hugs (Paperback)
Richard Dodd; Illustrated by Christopher Norman
bundle available
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R206
R168
Discovery Miles 1 680
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When young Drake Dalton witnesses a tragic loss on his tenth
birthday, his sense of normality also dies on that same night. The
ordinary childhood that he enjoyed, life at home with his parents
and his connection with his genetically idiosyncratic best friend,
Francis Conway, are all relegated to the past tense. But in his
personal grief, he meets a paranormally-gifted individual named
Daniel, who guides Drake in the unknown, secret history of Earth
and the Dragons who roamed it, with the potential for vast power
and knowledge. In New York City, the global enterprise known as
Infinity, is resuming a project which was delayed for years. Bill
West, the owner of the firm, pins his hopes on the project he
believes that will not only herald the golden era of the company's
history, but will also change the world. As Drake grows through
adolescence, so too does his repertoire of abilities under the
watchful presence of Daniel. The young and inexperienced
protagonist endures many challenges in this tale of drama, action,
romance, crime and conspiracy. As Drake Dalton, he must cope with
the inner conflict of conforming to humanity for the sake of his
family and friends, but he must also shield his secrets, as he
pursues the truth and justice for the sake of the world, in the
disguise of his alter ego: Dragonman.
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