macula
- noun
- /ˈmæk.jʊ.lə/
- Specialized
- The appearance of a macula often signals increased solar activity.
Examples
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Early scientists struggled to explain the cause of each macula seen through their telescopes.
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The macula on the sun's surface can be observed with a telescope.
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Astronomers observed a large macula forming near the sun's equator.
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Scientists study the maculae to understand solar activity.
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The scientists observed a large macula on the sun's surface during their solar studies.
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As the telescope focused on the sun, they noted a distinctive macula indicative of intense magnetic activity.
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The appearance of a macula can signal changes in the sun's magnetic field, attracting the attention of astronomers.
Synonyms
A dark, cooler area on the Sun's surface caused by strong magnetic activity
Compounds
- Specialized
A small yellow area near the center of the retina that gives sharp central vision
Surface Forms
Etymology
Macula comes from the Latin macula meaning 'spot' or 'stain', and a solar macula is simply a darker, cooler 'spot' on the sun's surface. Think of immaculate ('not stained') to help remember the 'stain' idea and why the word names a 'spot'.