astrometer
- noun
- /æˈstrɒmɪtər/
- Specialized
:
astrometro
- The scientist calibrated the astrometer before beginning the night's observations.
Examples
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The new astrometer allowed astronomers to map star positions with greater precision.
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Using an astrometer, they accurately measured the brightness of several distant stars.
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The astrometer is essential for modern astronomy.
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Many astrometers have been developed over the years.
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The astrometer allowed the astronomers to precisely measure the brightness of the distant stars.
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Using an astrometer, she calculated the positions of various stars in the night sky.
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The researchers employed an advanced astrometer to track the light output of several celestial objects.
Synonyms
2
9.9
An old instrument used to measure how high stars are and find direction at sea
1
8.6
A tool that measures how bright light is
A tool that measures the angle between two distant stars
A device that measures how much light there is at each color
A telescope for taking pictures of the night sky
How Precise
Surface Forms
Morphology
Etymology
Astrometer comes from astro- meaning 'star' and -meter meaning 'measure'. Think of a thermometer, which measures temperature, and you will see an astrometer is an instrument that measures the positions or brightness of stars.