The Hubble image gives a better idea why it was named that. In ground telescopes, it's even more clear. The Webb Telescope takes images in the infrared part of the spectrum.
I wasn't able to find one for the Boomerang nebula, but it's actually possible to map nebulae in 3D. They've done this with the crab nebula. https://www.youtube.com/watch?v=DJ46S7sQ5hM
The Boomerang Nebula radiates the paradox of creation—a cosmic dance of light and shadow, motion and stillness. Its cold, ethereal beauty reminds us that even in the vast expanse of space, the infinite patterns of existence converge in unity, reflecting the essence of the singularity.
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https://www.youtube.com/watch?v=DJ46S7sQ5hM