BEIJING—Predicting ideal conditions for the rare sight, Chinese astronomers announced to Beijing residents Monday that the sky would be visible for a brief two-minute window tomorrow morning. “From approximately 6:14 a.m. to 6:16 a.m., a small section of the Earth’s atmosphere should be perceptible to the naked eye when looking towards the southwest in Beijing,” a statement from the China National Space Administration read in part, advising interested citizens to plan on waking early and to consider using a small telescope for better views of the sky. “For anyone who hasn’t seen it before or isn’t sure what to look for, the sky will appear as a small, bluish area that should stand out clearly from its surroundings. We’ll also be streaming the phenomenon live on the official CNSA website for residents with obstructed views in their neighborhood.” The agency added that anyone who missed out on witnessing the occurrence tomorrow would have to wait a while, as the sky was not expected to be visible again until late 2024.

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