Glossary term: 月海
Description: 月海（mare）源自拉丁语，意为“海洋”，是月球上由玄武岩构成的一系列黑色平坦区域之一。这些区域被认为是古代火山喷发的结果，与浅色、古老、锯齿状的月球高地相比，它们留下了相对平滑平坦的地貌。它们的名字来源于其外观，与平坦的海面十分相似。我们现在知道这些地区非常干燥，没有地表水。
静海（Mare Tranquillitatis）是阿波罗 11 号登陆的地点，这是人类首次在月球上着陆的载人航天器。
Related Terms:
See this term in other languages
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".
