Sinhala Dictionary definitions for heliometer
heliometer 🔊
heliometer : සුර්යතාපමානය
heliometer : හේලියෝමීටරය
heliometer definition
Noun. An instrument devised originally for measuring the diameter of the sun; now employed for delicate measurements of the distance and relative direction of two stars too far apart to be easily measured in the field of view of an ordinary telescope.
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