a turtle floating in zero g with earths curvature in the background space colony visible

turtle floating zero earths curvature background space colony visible gravity shell orbit planet voyage astronaut universe galaxy stars satellite exploration adventure cosmos celestial atmosphere extraterrestrial spherical astrobiology habitat terrapin expanse weightless interstellar skyscape chelonian environment earthbound boundary mesosphere globally floater spacetime firmament constellations infinity ether unbounded emergence elevation expansion macrocosm