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black hole is a region of spacetime exhibiting
Astronaut on alien planet entering spacetime portal light
big bang, black hole, supermassive star, galaxy, cosmos, physical, science fiction wallpaper.
Event Horizon, Singularity, Gargantuan, Hawking Radiation, String Theory, Super Gravity
galaxy, cosmos, physical, science fiction wallpaper. Deep space.
galaxy, cosmos, physical, science fiction wallpaper. Deep space.
