Last Updated:2025/11/22

Astronomers measured the planet's rotational period by tracking surface features against the background stars.

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Astronomers measured the planet's rotational period by tracking surface features against the background stars.

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天文学者は、表面の模様を背景の星に対して追跡することで、その惑星の恒星に対する自転周期を測定した。

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