This article was featured on Hacker News on February 21, 2026. You can read the discussion here.
Earth's shadow has two main regions: the outer shadow, called the penumbra, and the inner shadow, known as the umbra. The penumbra causes faint dimming that can be hard to notice. But the umbra is much darker. As it sweeps over the moon, the eclipse becomes obvious and the darkened portion spreads until the entire moon is covered.
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Both nations are planning to land at the Moon's south pole - and are competing for the best spots to build their lunar bases.，更多细节参见下载安装 谷歌浏览器 开启极速安全的 上网之旅。
Из Дубая в Москву вылетел первый с начала конфликта рейс Emirates02:15