| Answer | Crossword Clue |
|---|---|
| umbrae | the dark central portion of a sunspot |
| umbral | the dark central portion of a sunspot |
| umbras | the dark central portion of a sunspot |
| penumbral | shaded region surrounding the dark central portion of a sunspot |
| umbra | The dark central part of a sunspot |
| sunspots | SUNSPOT, a dark spot on the surface of the sun |
| penumbras | The less dark outer part of a sunspot, surrounding the dark core |
| penumbrae | The less dark outer part of a sunspot, surrounding the dark core |
