“Veil Nebula”可以造什么句,Veil Nebula造句
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Also known as the Cygnus Loop, the Veil Nebula now spans nearly 3 degrees or about 6 times the diameter of the full Moon.
Pictured above is the west end of the Veil Nebula known technically as NGC6960 but less formally as the Witch's Broom Nebula .
The Veil Nebula itself is a large supernova remnant, the expanding debris cloud from the death explosion of a massive star.