在不列颠哥伦比亚三角洲上空的紫色发光是由温室LED灯光引起的,是由于农业照明,而不是由于外星人。 A purple glow over Delta, B.C., caused by greenhouse LED lights, is due to agricultural lighting, not aliens.

B. C. 三角洲上空的紫色光芒令居民困惑不解,引发了对外星人或自然现象的猜测。 A purple glow over Delta, B.C., has puzzled residents, sparking speculation about aliens or natural phenomena. 专家和官员证实,它源于温室中用于促进作物生长的全频LED灯光,结合红色、蓝色和安伯波长。 Experts and officials confirm it stems from full-spectrum LED lights used in greenhouses to enhance crop growth, combining red, blue, and amber wavelengths. 虽然一些种植者使用灯光减污屏,但这些屏幕不是强制性的。 While some growers use light abatement screens, these are not mandatory. 这些对当地粮食生产至关重要的灯光是合法的,引起了有限的抱怨,尽管对光污染的关切依然存在。 The lights, vital for local food production, are legal and have drawn limited complaints, though concerns about light pollution persist. 许多居民现在认为,光辉是农业创新的季节标志,而不是威胁。 Many residents now view the glow as a seasonal sign of agricultural innovation rather than a threat.