Download e-book for iPad: A Dictionary of Astronomy (Oxford Paperback Reference) by Ian Ridpath

By Ian Ridpath

ISBN-10: 0192115960

ISBN-13: 9780192115966

Astronomy is increasing nearly as speedily because the universe itself, and the proliferating medical jargon can occasionally baffle even the main committed novice. Now, in a few 4,000 concise, updated entries, this dictionary cuts a transparent direction in the course of the maze of complicated technical language, supplying complete, transparent definitions drawn from all features of astronomy. Compiled through Ian Ridpath, a fellow of the Royal Astronomical Society, and a professional crew of members, A Dictionary of Astronomy comprises the newest entries from astrophysics and cosmology to galaxies and time.

Here are succinct definitions for the massive Bang conception, comets, eclipses, Magellanic Clouds, Mars, quasar, relativity, and variable stars. Entries on telescopes and different measuring units, observatories, house missions, and lately named sunlight method gadgets express how astronomers have explored the universe. The Dictionary additionally offers biographical entries on eminent astronomers from Copernicus to Edwin Hubble.

From black gap to white dwarf, and from spiral galaxies to sun waves, A Dictionary of Astronomy opens a window at the universe for beginner astronomers all over the place.

Show description

Read or Download A Dictionary of Astronomy (Oxford Paperback Reference) PDF

Best dictionaries books

Download e-book for kindle: The Arden Dictionary of Shakespeare Quotations by William Shakespeare, Jane Armstrong

THE ARDEN DICTIONARY OF SHAKESPEARE QUOTATIONS. Compiled by means of Jane Armstrong. 396 pp. London : Thomson studying, 2000 (1999). the current compilation comprises 3000 quotations, either famous and lesser-known, from Shakespeare's performs and poems. The quotations fluctuate in size from brief sentences equivalent to "For he used to be nice of heart," via to longer passages similar to Hamlet's soliloquy, "To be or to not be," which could run to nearly a web page or extra.

Avesta Reader : First series, easier texts, notes & - download pdf or read online

From the Preface: THIS little booklet lays no declare to any certain benefit past furnishing in handy shape a few fabric for these starting to research the Avesta. because it is meant purely for an advent, and being designed because the first of a sequence of examining books, the variety of pages of texts has been restricted.

Get Fabric of History PDF

Six students discover the character of background and ancient reconstruction and where of background inside bible study. The uncritical use of either textual content and artifact that keeps to dominate histories of Israel and Judah testifies to the necessity for a much wider grassroots information of the elemental matters interested in doing background as a biblical pupil.

Extra info for A Dictionary of Astronomy (Oxford Paperback Reference)

Example text

Sirius is an Am star. anaemic spiral galaxy A type of spiral galaxy with characteristics intermediate between normal gasrich spirals and gas-poor lenticular galaxies. They are seen most frequently in rich clusters of galaxies. Examples are NGC 4941 and 4866 in the Virgo Cluster, and NGC 4921 in the Coma Cluster. analemma A curve that depicts the changing altitude of the Sun during the year at noon, and also the difference between apparent solar time and mean solar time. The analemma is shaped like a thin figure of eight, its height corresponding to the Sun's altitude and its width to the time difference.

They are seen most frequently in rich clusters of galaxies. Examples are NGC 4941 and 4866 in the Virgo Cluster, and NGC 4921 in the Coma Cluster. analemma A curve that depicts the changing altitude of the Sun during the year at noon, and also the difference between apparent solar time and mean solar time. The analemma is shaped like a thin figure of eight, its height corresponding to the Sun's altitude and its width to the time difference. It was originally a refinement to sundials that allowed corrections to be made for the *equation of time.

All objects on an almucantar are at the same altitude at a given time. 7. y. away. 7, the middle star of the belt of Orion. y. away. Alnitak The star Zeta Orionis, one of the three stars of the belt of Orion. y. 2. a Symbol for *right ascension. Alpha Capricornid meteors A meteor shower of generally low activity (maximum ZHR 10) between July 15 and August 20. There appear to be several maxima, the principal one around August 2. Alpha Capricornid meteors are often long, slow, and bright. At maximum, the radiant lies at RA 20h 36m, dec.

Download PDF sample

A Dictionary of Astronomy (Oxford Paperback Reference) by Ian Ridpath


by Michael
4.2

Rated 4.98 of 5 – based on 13 votes