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Wanneer de auteur klaar is met het leggen van de fundamenten, pakt hij in het tweede deel het proces van kosmische recycling aan. De lezer ziet hoe sterren ontstaan uit condensatie van gigantische kosmische wolken. Vervolgens ziet hij hoe als gevolg van stervorming planeten ontstaan. Daarna mondt de dood van sterren uit in de vorming van nieuwe interstellaire wolken waaruit dan later weer nieuwe sterren zullen ontstaan. Kaler beschrijft op een boeiende en inzichtelijke wijze dit nooit ophoudend proces van geboorte, leven en dood van sterren. Kosmische wolken is zeker geen gemakkelijk boek. Astrofysische processen zijn immers behoorlijk complex.

Astronomy --- astronomie --- 524.5 --- 524.8 --- 524.6 --- #WNAT:didaktiek --- kosmologie --- 524 --- moleculen --- planeten --- Heelal: Melkweg --- Interstellar medium. Galactic nebulae --- The Universe. Metagalaxy. Cosmology --- The Galaxy. Milky Way --- 524.6 The Galaxy. Milky Way --- 524.8 The Universe. Metagalaxy. Cosmology --- 524.5 Interstellar medium. Galactic nebulae --- Astronomie --- Melkweg --- 540 --- sterrenkunde

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"Stellar spectroscopy is the fundamental tool for investigating the natures of stars and is central to our understanding of modern astronomy and astrophysics. Revised and expanded, the second edition of this popular book provides a unique and thorough introduction to stellar spectra. It begins by looking at the concept and history of stellar classification, before introducing the reader to the formation of spectra, the fundamental properties of stars and how they can be classified. The following chapters each look at a different star type: starting with cool M, the discussion extends to cover new stellar classes L and T, before advancing to finish with O. The book concludes with a skilful integration of all the data, tracing the evolution of stars and their place in the universe. With modern digital spectra and updates from two decades of astronomical discoveries, this accessible text is invaluable for both amateur astronomers and students"--

Stars --- Spectra. --- Étoiles --- Spectre --- Spectra --- Étoiles

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"First Magnitude" is an entry-level book for readers with brightly lit skies. Its purpose is to show them that all is not lost, that they can still enjoy personal astronomy and have an appreciation of the heavens no matter where they live. It concentrates on the Sun, Moon, the five bright planets, and on the 23 brightest stars, which are visible from just about anywhere. The book concludes with bright ephemeral phenomena: meteors, comets, and exploding stars. The concept is a platform for introducing the reader to the wonders of the nighttime and daytime skies and serves as an introduction to

Stars. --- Constellations. --- Planets. --- Astronomy. --- Sky --- Sidereal system --- Galaxies --- Circumstellar matter

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Did you know that as you read these words showers of high-speed particles from exploding stars are raining down on you ? As you gaze into the starry sky, you might feel isolated from the Universe around you-but you're not. This book reveals the startling ways life on Earth is touched by our cosmic environment, and demonstrates why without such contact, life itself wouldn't be possible. « Heaven's Touch » embarks on an unforgettable journey across the cosmos, beginning in near space with a look at the gentle ebb and flow of lunar and solar tides. Acclaimed astronomer James Kaler describes their subtle effects on our world and also explores the Sun's more potent influences, such as solar storms that cause auroras, give comets their tails, and knock out power grids on Earth. He ventures across the Solar System to consider how the planets can act to produce climate change, even global disaster. Kaler shows how Jupiter's gravity can throw asteroids toward potentially devastating collision with Earth, and how even our whole Galaxy might hurl comet storms at us. He then takes us into deepest space to describe the cosmic rays launched at us from exploding stars, and considers not just how these exploders might harm us, but how they also join together in the creation of stars and how they serve to populate the Universe with the very building blocks of life. Informative and entertaining, Heaven's Touch reveals how intimately connected we really are with the dynamic Universe in which we live.

Astronomy --- Comets --- Cosmic rays --- Life --- Stars --- Supernovae --- Origin --- Stars. --- Comets. --- Supernovae. --- Cosmic rays. --- Astronomie. --- Étoiles. --- Origine de la vie. --- Comètes. --- Rayonnement cosmique. --- Système solaire. --- Solar system. --- Étoiles. --- Comètes. --- Système solaire.

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Stars. --- Etoiles