Description: 天文学家研究构成宇宙的各种物质对象。天文学家可以是专业人士，也可以是业余爱好者。专业天文学家和一些天文爱好者通过分析地面和空间望远镜获得的科学数据，以回答有关宇宙中物体的组成、它们的分布、演化和未来等问题。根据这些信息，天文学家们提出新的理论来解释我们所看到的宇宙中大大小小各种尺度的天体和现象。也有些天文爱好者观测星空主要是为了领略宇宙的神奇。就实际工作而言，天文学家和天体物理学家之间没什么区别。在现代天文学中，在进行专业的观测的同时，也总是会对产生被观测到的现象的物理过程进行建模，而且大学水平的天文学训练也必然会包括相关的物理知识。

Related Terms:

• Astronomy

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".