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astronaut spacesuit space stars nebula galaxy universe exploration adventure weightlessness microgravity cosmic celestial interstellar NASA ISS astronaut training spacewalk EVA science technology engineering mathematics physics astronomy astrophysics cosmology black hole supernova dark matter dark energy alien extraterrestrial UFO interstellar travel time travel parallel universe multiverse singularity event horizon wormhole warp drive hyperdrive light-speed faster-than-light travel space exploration
Astronaut in a spacesuit floating in the vastness of space
Size 5096 × 2856
Format jpg
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