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Products by Hans-Ulrich Keller

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Kosmos Sky Guide 2025
PDF
Paperback
PDF
Paperback
Hans-Ulrich Cellar
Kosmos Sky Guide 2025 Whether it's constellations in the sky, planetary alignments, or eclipses – the "Kosmos Himmelsja...
Sale price16,99 €
PDF
PDF
Hans-Ulrich Cellar
Kosmos Celestial Year 2024 The Astronomy Yearbook No. 1! The "KOSMOS Himmelsjahr" is the reliable guide to the astronomical ...
Sale price16,99 €
Kosmos Celestial Year 2026
PDF
Paperback
PDF
Paperback
Hans-Ulrich Cellar
Kosmos Celestial Year 2026 For decades, the "KOSMOS Himmelsjahr" has been the No. 1 astronomy yearbook and a proven guide to...
Sale price17,99 €
PDF
PDF
Hans-Ulrich Cellar
Kosmos Celestial Calendar 2020 Discover constellations in the sky, identify planets or observe the next lunar eclipse – the KOSM...
Sale price6,99 €
PDF
PDF
Hans-Ulrich Cellar
Kosmos Sky Calendar 2023 The Astronomy Yearbook No. 1! The "KOSMOS Himmelsjahr" is the reliable guide to the astronomical ...
Sale price13,99 €
Kosmos Celestial Year 2025Kosmos Celestial Year 2025
Paperback
PDF
Paperback
PDF
Hans-Ulrich Cellar
Kosmos Celestial Year 2025 Whether constellations in the sky, planetary alignments, or eclipses – the "Kosmos Himmelsjahr" i...
Sale price22,00 €
Kosmos Astronomy Yearbook 2026Kosmos Astronomy Yearbook 2026
Paperback
PDF
Paperback
PDF
Hans-Ulrich Cellar
Kosmos Astronomy Yearbook 2026 The "KOSMOS Himmelsjahr" has been the No. 1 astronomy yearbook for decades and a proven guide to ...
Sale price22,00 €
Compendium of AstronomyCompendium of Astronomy
Hardcover
PDF
Hardcover
PDF
Hans-Ulrich Cellar
Compendium of Astronomy This compendium combines the fundamentals of astronomy with current insights into the universe. T...
Sale price50,00 €
PDF
PDF
Hans-Ulrich Cellar
Kosmos Year in Space 2019 Discover constellations in the sky, identify planets, or observe the next lunar eclipse – the KOS...
Sale price12,99 €
PDF
PDF
Hans-Ulrich Cellar
Kosmos Sky Yearbook 2017 Current celestial events, reliable calendar data and the popular monthly themes: The Kosmos Himme...
Sale price6,99 €
PDF
PDF
Hans-Ulrich Cellar
Compendium of Astronomy This comprehensive yet accessible introduction to astronomy bridges the gap between simple works ...
Sale price34,99 €
Compendium of ChronologyCompendium of Chronology
Hardcover
Hardcover
Hans-Ulrich Cellar
Compendium of Chronology In this book, renowned astronomer Prof. Hans-Ulrich Keller offers a unique and comprehensive over...
Sale price34,00 €
Compendium of Astronomy
PDF
Hardcover
PDF
Hardcover
Hans-Ulrich Cellar
Compendium of Astronomy This compendium combines the fundamentals of astronomy with current insights into the universe. T...
Sale price39,99 €
September 2026
Kosmos Celestial Yearbook 2027
PDF
Paperback
PDF
Paperback
Hans-Ulrich Cellar
Kosmos Celestial Yearbook 2027 The "KOSMOS Himmelsjahr" has been the No. 1 astronomy yearbook for decades* and a proven guide to...
Sale price17,99 €
September 2026
Kosmos Astronomy Yearbook 2027
Paperback
PDF
Paperback
PDF
Hans-Ulrich Cellar
Kosmos Astronomy Yearbook 2027 The "KOSMOS Himmelsjahr" has been the No. 1 astronomy yearbook* for decades and a proven guide to...
Sale price22,00 €
HC

About the Author

Hans-Ulrich Keller

Prof. Dr. Hans-Ulrich Keller is the founding director of the Stuttgart Planetarium and Professor of Astronomy at the University of Stuttgart. He heads the Welzheim Observatory and has been publishing the "Kosmos Himmelsjahr" for over 40 years. In 2017, he was awarded the Bruno H. Bürgel Prize for outstanding popular presentations in the field of astronomy.