Bernd Aschenbach Books

Relativistic Astrophysics and Cosmology Einstein s Legacy

By Gunther Hasinger, Bruno Leibundgut, Vadim Burwitz, Bernd Aschenbach

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Invisible Sky

By Hermann Michael Hahn, H. Jenkner, Joachim Trumper, Bernd Aschenbach

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The x-ray satellite ROSAT, launched in 1990, has made a new universe visible. It has discovered over 120,000 x-ray sources and allowed us for the first time to look in new ways at stellar explosion...

Relativistic Astrophysics and Cosmology Einstein s Legacy

By Gunther Hasinger, Bruno Leibundgut, Vadim Burwitz, Bernd Aschenbach

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The Invisible Sky: Rosat and the Age of X-Ray Astronomy

By Hermann Michael Hahn, Joachim Trumper, B. Aschenbach, Bernd Aschenbach

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Since ROSAT, the ROentgen SATellite (named after Wilhelm Roentgen, a German physicist credited with discovering x-rays), launched in June of 1990, it has revealed an entirely new aspect of the nigh...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.