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.
Matrix 是少数派的写作社区，我们主张分享真实的产品体验，有实用价值的经验与思考。我们会不定期挑选 Matrix 最优质的文章，展示来自用户的最真实的体验和观点。
。下载安装 谷歌浏览器 开启极速安全的 上网之旅。对此有专业解读
Sports Onomatopoeias - CLANK, CRUNCH, PING, VROOM
Thousands of Romo vacuums and their live cameras worldwide were reportedly hacked — and not by an evil mastermind sitting in a room surrounded by screens, but by a guy trying to get his PS5 controller to control his robot vacuum.