| Image of the Sun in Radio Waves (60 Kb). |
| A combination of observations and theory. |
 | How the number of Solar Sunspots changes over time (8 Kb) |
|
| Image of the Sun in Radio Waves (60 Kb). |
|
| A combination of observations and theory. |
|
| How the number of Solar Sunspots changes over time (8 Kb) |