Glossary term: 光污染
Description: 光污染是指由于例如路灯等过量或不完美的（向地平线以上方向发射）的人工照明，而导致夜空变亮的现象。它会造成极大的影响，它扰乱了对恒星、行星和其他天体的观测；它改变生态系统并影响生物的自然周期。此外，光污染也是对资金和资源的低效利用。
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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".
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