north star

指北星: 北极星及其周围的尘埃

作者： Samuel Chan / 2025年1月14日

A bright star is pictured in the center of field filled with glowing gas and dust and other, more faint, stars. Please see the explanation for more detailed information.
图像中央是一颗明亮的恒星，周围充满发光的气体和尘埃，以及其他较暗的恒星。有关更多详细信息，请参阅说明。

天文·每日一图

北极星及其周围的尘埃

作者： NASA中文 / 2023年4月11日

2023年4月11日 North Star: Polaris and Surrounding Dust Image Credit & Copyright: Javier Zayaz Explanation: Why is Polaris called the North Star? First, Polaris is the nearest bright star toward the north spin axis of the Earth. Therefore, as the Earth turns, stars appear to revolve around Polaris,

天文·每日一图

北极星与它周围的尘埃

作者： NASA中文 / 2021年4月28日

2021年04月28日 North Star: Polaris and Surrounding Dust Image Credit & Copyright: Bray Falls Explanation: Why is Polaris called the North Star? First, Polaris is the nearest bright star toward the north spin axis of the Earth. Therefore, as the Earth turns, stars appear to revolve around Polaris,