2025.08.31

天空中出現奇異的圈圈

近年發現的奇異無線電波圈有相似的外觀，其起源可能大相逕庭。

From "MeerKAT Uncovers the Physics of an Odd Radio Circle," by Ray P. Norris et al., inMonthly Notices of the Royal Astronomical Society, Vol. 513, No. 1; June 2022. Published March 24, 2022 (CC BY 4.0)

From "MeerKAT Uncovers the Physics of an Odd Radio Circle," by Ray P. Norris et al., inMonthly Notices of the Royal Astronomical Society, Vol. 513, No. 1; June 2022. Published March 24, 2022 (CC BY 4.0)

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