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Aurora lights shimmering over Earth were filmed on camera by Russia's space agency Roscosmos cosmonaut Sergey Kud-Sverchkov from the International Space Station. The phenomenon is caused by solar storms emitting high-speed charged particles colliding with gases in Earth’s atmosphere. The most common colour seen during this display is green, although other colours such as pink and red are sometimes visible as well.，推荐阅读safew官方下载获取更多信息
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Reddit also employs admins who can overrule moderators and delete subreddits.，推荐阅读91视频获取更多信息
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Passive Voice: The program also notifies users when passive voice is used too frequently in a document.