面纱星云也被称为天鹅座环，现在的视角跨度近3度，即大约6倍满月的直径。
Also known as the Cygnus Loop, the Veil Nebula now spans nearly 3 degrees or about 6 times the diameter of the full Moon.
上图中是面纱星云的西缘，正式名称为NGC6960，但它更常被称呼为女巫帚星云。
Pictured above is the west end of the Veil Nebula known technically as NGC6960 but less formally as the Witch's Broom Nebula .
面纱星云本身是一个巨大的超新星遗迹，这是巨恒星濒死时爆炸产生的残骸云体，正在不断扩张。
The Veil Nebula itself is a large supernova remnant, the expanding debris cloud from the death explosion of a massive star.
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