An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 2 Search : expanding universe
ever-expanding Universe
  گیتی ِ هماره‌سپانا   
giti-ye hamâré sopânâ

Fr.: Univers en expansion continue   

Same as → accelerating Universe.

→ expand; → Universe.

expanding Universe
  گیتی ِ سپانا، ~ سپاننده   
giti-ye sopânâ, ~ sopânande

Fr.: Univers en expansion   

The deduction based on the observational fact that the greater the → distance to a → galaxy, the greater the → redshift in its → spectral lines (→ Doppler effect). The observations strongly indicate that galaxies appear to be moving away from us with speeds proportional to their distance. This is in agreement with the overall → expansion of the → Universe.

→ expand; → -ing; → Universe.