Description: Alle Materie, die wir um uns herum sehen, besteht aus Atomen. Alle Atome haben die gleiche Grundstruktur: einen winzigen, dichten Kern, der fast die gesamte Masse des Atoms trägt und von Elektronen umgeben ist. Atomkerne bestehen aus Protonen und Neutronen, die zusammen als Nukleonen bezeichnet werden.

Zugehörige Glossarbegriffe:

• Atomkern
• Elektron

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

The OAE Multilingual Glossary is a project of the IAU Office of Astronomy for Education (OAE) in collaboration with the IAU Office of Astronomy Outreach (OAO). The terms and definitions were chosen, written and reviewed by a collective effort from the OAE, the OAE Centers and Nodes, the OAE National Astronomy Education Coordinators (NAECs) and other volunteers. You can find a full list of credits here. All glossary terms and their definitions are released under a Creative Commons CC BY-4.0 license and should be credited to "IAU OAE".