What is the definition of Packed Light Particles?

"Packed light particles"? Think of it as the cosmic equivalent of a jitterbug dance party, but instead of disco balls and salsa moves, these particles are just tiny, glowing messengers zipping around in a universe-sized dance floor, leaving behind a trail of cosmic wonder and a hint of existential dread.

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Now, here's an edgy sentence for you: "The physicist stared at the data, his eyes wide with shock as he realized the universe had just decided to pack these light particles into a single, ridiculously small cloud – or rather, a ridiculously tiny bubble in an endless sea of cosmic darkness."