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Large sunspot 大个黑子
11/26. Dubbed AR2786, this sunspot is several times wider than Earth. The cool story is that scientists at National Solar Observatory were able to tell its existence before it appeared on the Sun's near-side, by “listening to the sound from the Sun's interior”.

11月26日。这个叫AR2786的黑子有几个地球那么宽。在它还在太阳另一面的时候科学家们就已经通过聆听太阳内部的声音知道了它的存在。

Aperture: 11Shutter: 1/1250
ISO: 400Flash: Off
FL: 600 mmLens: SP 150-600MM F/5-6.3 Di VC USD

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