Crossword-Solution: HELIOMETER
Dictionary
| Word | Word Type | Definition |
|---|---|---|
| Heliometer | n. | 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. |
We have 10 clues for the answer “HELIOMETER”
| Clue | Answers |
|---|---|
| ANGULAR distance between two stars, instrument to measure | 1 answer |
| ASTRONOMICAL instrument to determine angular distance between stars | 1 answer |
| DIAMETER of sun, instrument used to measure the | 1 answer |
| INSTRUMENT to determine angular distance between stars | 1 answer |
| angular measuring instrument | 1 answer |
| instrument for measuring apparent diameter of the sun | 1 answer |
| astronomical instrument | 2 answers |
| ASTRONOMICAL measure | 6 answers |
| INSTRUMENT for measuring | 38 answers |
| MEASURING instrument | 56 answers |
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Dermatological complaint
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Hint 1 meaning
An inflammatory disease of the skin, characterized by the
presence of redness and itching, an eruption of small vesicles, and the
discharge of a watery exudation, which often dries up, leaving the skin
covered with crusts; -- called also tetter, milk crust, and salt rheum.
Hint 2 anagram
CAZEME
Hint 3 another clue
eruption
9 +1
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Sentences with HELIOMETER (5)
Joseph Fraunhofer perfected the refracting telescope, as Herschel had perfected the reflector, and invented a wonderfully accurate "heliometer," or sun-measurer.
Thus things went on until 1837, when Bessel announced that measures with a heliometer--the most refined instrument that has ever been used in measurement--showed that a certain star in the constellation Cygnus had a parallax of one-third of a second.
Many parallaxes determined about the middle of the nineteenth century have had to disappear before the powerful tests applied by measures with the heliometer; others have been greatly reduced and the distances of the stars increased in proportion.
The superiority of the heliometer over all other devices (except photography) for measuring small angles has been specially brought into prominence by Sir David Gill’s researches on the distance of the sun—_i.e.,_ the scale of the solar system.
These require extension, because the differential methods of the heliometer and the camera cannot otherwise be made absolute.