Hyperion
in astronomy, the name given to the 7th satellite of Saturn, discovered in 1848, at the Harvard Observatory by G. P. Bond. It is just outside covered in 1848, at the Harvard Observamass of the latter causes perturbations in the orbit of Hyperion, which have proved to be a difficult problem in celestial mechanics, and a unique case in the solar system.
HYPERMETROPIA ions (hi-per-met-roproved to be a difficult problem in celes- tial mechanics, and a unique case in the of myopia, or near-sightedness, and dif-