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: 3 Search : coronagraph
coronagraph
  تاجنگار، هورتاجنگار   
tâjnegâr (#), hurtâjnegâr (#)

Fr.: coronographe   

An instrument which, when used in a telescope, produces an artificial eclipse, permitting the study of the → solar corona without a total eclipse of the Sun. It was invented in 1930 by the French astronomer Bernard Lyot (1897-1952).

From → corona + → -graph.

coronagraphic
  تاجنگاری، تاجنگاریک   
tâjnegâri, tâjnegârik

Fr.: coronographique   

Of, or relating to → coronagraphy.

coronagraphy; → -ic..

coronagraphy
  تاجنگاری   
tâjnegâri

Fr.: coronograhie   

A technique used to observe a relatively dim object (like an → exoplanet) lying close to an outshining bright source (such as star). This is done by blocking the bright object, in the same way the → solar corona is observed using a → coronagraph.

coronagraph + suffix -y.