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This 1997 text contains maps showing the distribution of emission from atomic hydrogen, the principal interstellar medium in the Milky Way, as measured over a 5-year period using the 25-metre radio telescope of the Netherlands Foundation for Research in Astronomy.
Avi Loeb, ledende astrofysiker ved Harvard University, fremlægger sin kontroversielle teori om, at vores solsystem for nylig blev besøgt af avanceret og fremmed teknologi fra en fjern... Læs mere
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In partnership with the international organisations The World at Night and Astronomy Without Borders – The World at Night is a stunning, expertly curated celebration of our night sky.
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Big Cat Phonics for Little Wandle Letters and Sounds Revised has been developed in collaboration with Wandle Learning Trust and Little Sutton Primary School. It... Læs mere
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The ideal gift for all amateur and seasoned astronomers. A comprehensive handbook to the planets, stars and constellations visible from the southern hemisphere. 6 pages for each month covering January–December 2023.
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A concise introduction to the mathematical aspects of the origin, structure and evolution of the universe. It introduces cosmology and general relativity, and... Læs mere
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The successful launch on November 17, 1995 of ESA's Infrared Space Observatory (ISO) by means of an Ariane 4 carrier, has set in motion a true revolution in quantitative infrared astronomy.
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New observational windows at ultraviolet, infrared and millimetric wavelengths (provided by ROSAT, IRAM, IUE, IRAS, ISO) have revealed that galaxies contain a wealth of components: very hot gas, atomic hydrogen, molecules, dust, dark matter...
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Planetary Nebulae and How to Observe Them is for amateur astronomers who want to go beyond the Messier objects, concentrating on one of the most beautiful... Læs mere
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This text presents numerous illustrations of the observed variability of cataclysmic variable stars. It provides a clear explanation and thorough up-to-date overview of this phenomena at a level accessible to the advanced amateur or undergraduate student.