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This page describes an image Starry Night over Eifel national park, by Dong Han, China

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Caption: First place in the 2021 IAU OAE Astrophotography Contest, category Light pollution.

Light pollution results from the excess of artificial light produced by human endeavours mainly as a side effect of industrialisation. This kind of pollution is usually most noticeable around well populated areas associated with intense human activities, such as street lighting, lights from the transportation system, buildings and houses. But it can also come from other places, such as ships and oil platforms in the sea. This image taken in a national park in Belgium in 2018 shows the detrimental effect of light pollution on the most precious resource that connects all humans together – the night sky.

Captions in other languages

Credit: Dong Han/IAU OAE
DOI: 10.5281/zenodo.5366218
Related glossary terms: Light Pollution
Categories: Naked Eye Astronomy

License: Creative Comments Attribution 4.0 International (CC BY 4.0) Creative Comments Attribution 4.0 International (CC BY 4.0) icons

Captions in Different Languages:

Italian
Caption: Primo posto al concorso di astrofotografia IAU OAE 2021, categoria 'Inquinamento luminoso'.

L'inquinamento luminoso consiste nell'eccesso di luce artificiale prodotta dall'uomo, ed è uno dei principali effetti collaterali del processo di industrializzazione. Questo tipo di inquinamento è decisamente più marcato nelle aree ad elevata densità di popolazione, ed è riconducibile all'intensa attività umana. È una conseguenza, per esempio, dell'illuminazione pubblica, e delle luci dei mezzi di trasporto, degli uffici e delle abitazioni private. Ma le sue fonti sono innumerevoli, e comprendono perfino le navi e le piattaforme petrolifere in mare aperto. Questa immagine, scattata in un parco nazionale del Belgio nel 2018, mostra l'effetto deleterio dell'inquinamento luminoso sulla risorsa più preziosa che unisce tutti gli esseri umani: il cielo notturno.
Credit: Dong Han/IAU OAE
Related glossary terms: Light Pollution
Caption translation status: Approved by a reviewer

Arabic
Caption: المركز الأول في مسابقة التصوير الفلكي التي نظمها مكتب تعليم الفلك التابع لاتحاد الفلك الدولي سنة 2021، فئة التلوث الضوئي.

التلوث الضوئي ينتج عن زيادة الضوء الاصطناعي بسبب الانشطة البشرية كأثر جانبي للتطور الحضاري. عادة ما يكون هذا النوع من التلوث أكثر وضوحا في المناطق المكتظة بالسكان والمرتبطة بالأنشطة البشرية المكثفة ، مثل إضاءة الشوارع والأضواء من نظام النقل والمباني والمنازل. ولكن يمكن أن يأتي من أماكن أخرى ، مثل السفن ومنصات النفط في البحر. تُظهر هذه الصورة التي التقطت في الحديقة الوطنية في بلجيكا سنة 2018 التأثير الضار للتلوث الضوئي على أثمن مورد يربط جميع البشر معا وهو (سماء الليل).
Credit: دونغ هان/ اتحاد الفلك الدولي- مكتب تعليم الفلك
Related glossary terms: Light Pollution
Caption translation status: Not yet approved by a reviewer