Artemis II：重返月球为何意义重大
Artemis II任务将首次载人绕月飞行，标志着人类在半个世纪后重返月球的重要一步，为建立可持续的月球基地和未来火星探索奠定基础。
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The Artemis II mission launched to orbit the moon, similar to Apollo 8's preparatory mission in 1968. Like Apollo 13, it will swing around the moon rather than entering lunar orbit.
The Artemis I mission lasted 25 days, much longer than the upcoming Artemis II's 10 days, allowing it to take an unusual orbital path. The unmanned nature of Artemis I enabled this extended duration and more complex trajectory.
The term "perilune" refers to the point in a spacecraft's orbit when it is closest to the moon. This term is sometimes called "periselene," with both terms having different linguistic origins.
The latitude of the Great Pyramid of Giza is exactly 29.9792458° N, which matches the speed of light in vacuum: 299,792,458 m/s. This numerical coincidence has been noted in online discussions.