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macula

macula

9.9
A dark, cooler spot on the sun's surface with a strong magnetic field
  • noun
  • /ˈmæk.jʊ.lə/
  • Specialized
translation icon : mácula solar
  • The appearance of a macula often signals increased solar activity.

Examples

  • Early scientists struggled to explain the cause of each macula seen through their telescopes.

  • The macula on the sun's surface can be observed with a telescope.

  • Astronomers observed a large macula forming near the sun's equator.

  • Scientists study the maculae to understand solar activity.

  • The scientists observed a large macula on the sun's surface during their solar studies.

  • As the telescope focused on the sun, they noted a distinctive macula indicative of intense magnetic activity.

  • The appearance of a macula can signal changes in the sun's magnetic field, attracting the attention of astronomers.

Synonyms

sunspot
vsmacula
  • Specialized
17 5.6

A dark, cooler area on the Sun's surface caused by strong magnetic activity

is the same phenomenon but called by an alternative technical name

Compounds

macula lutea
  • Specialized
9.3

A small yellow area near the center of the retina that gives sharp central vision

Surface Forms

macula singular
maculas plural
maculae plural

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'.