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Definitions of epsilon:
  • noun:   the 5th letter of the Greek alphabet



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Alternative Terms
epoch-astronomy constellation eridanus-constellation right-ascension declination apparent-magnitude stellar-classification color-index variable-star by-draconis-variable astrometry radial-velocity metre-per-second proper-motion minute-of-arc year parallax distance light-year-2 parsec absolute-magnitude mass solar-mass radius solar-radius surface-gravity luminosity temperature river-kelvin metallicity stellar-rotation star simbad flamsteed-designation henry-draper-catalogue bright-star-catalogue durchmusterung washington-double-star-catalog smithsonian-astrophysical-observatory-star-catalog main-sequence solar-system list-of-nearest-stars sun science-fiction arab east-africa ostrich optical-spectrum spectral-line magnetic-field rotation iron-ensiferum-album luyten-726-8 kuiper-belt astronomical-unit planet terrestrial-planet methods-of-detecting-extrasolar-planets epsilon-eridani-b extrasolar-planet epsilon-eridani-c jupiter day epsilon-eridani-in-fiction tau-ceti-game sallie-baliunas willie-soon february astrophysical-journal marc-kuchner matthew-j-holman frank-drake interplanetary-matter seti project-ozma comporellon list-of-extrasolar-planet-extremes margaret-turnbull hd0647-b epsilon-iii reach