1. bright regions on the sun’s surface that appear lighter than the surrounding areas
Usage: astronomy; plural form

Examples

• Astronomers observed numerous faculae near the sun’s limb during the solar observation.
• The faculae became more visible as they approached the edge of the solar disk.
• Solar faculae are associated with regions of intense magnetic field activity.
• The telescope revealed bright faculae scattered across the sun’s photosphere.
• Scientists study faculae to better understand solar magnetic phenomena.
• The faculae appeared as brilliant patches against the darker solar surface.