| Answer | Crossword Clue |
|---|---|
| PENUMBRA | Shaded area of a sunspot. |
| penumbral | shaded region surrounding the dark central portion of a sunspot |
| plages | luminous area in the sun's chromosphere that appears in the vicinity of a sunspot |
| plage | luminous area in the sun's chromosphere that appears in the vicinity of a sunspot |
| unshaded | (of an area of a diagram) Not shaded with pencil lines or a block of color |
| umbra | The fully shaded inner region of a shadow cast by an opaque object, esp. the area on the earth or moon experiencing the total phase of an eclipse |
