galactic x-rays
银河射线
以上为机器翻译结果，长、整句建议使用 人工翻译 。
However, X-rays emanating from the galactic core can penetrate the veil of gas and dust.
BBC: Black holes on collision course
The galactic centre can only be observed at certain wavelengths - such as X-rays - because large amounts of dust lie in our line of sight, blocking out optical light.
BBC: Arches Cluster, Leicester
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