Associations to the word «Heliometer»
Noun
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Wiktionary
HELIOMETER, noun. An astronomical instrument, based on a telescope, for measuring the diameter of the sun; now used to measure the angular distance between stars and other celestial bodies.
Dictionary definition
HELIOMETER, noun. An instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope.
Wise words
Four things come not back. The spoken word, the sped arrow,
the past life, ad the neglected opportunity.