 |
|
2001
|
|
Active
region 9169 |
This
was the host of the largest sunspot group observed so far during
the current solar cycle.. |
|
22-09-2000
|
|
|
22-09-2000
|
|
|
1998
|
|
Magnetic
Depressions |
These
spots appear dark in photographs like the one above, but in
fact sunspots are quite bright - |
|
22-04-1998
|
|
Spiral
Sunspot |
This
distinctive spiral-shaped sunspot caught the attention of National
Solar Observatory astronomers... |
|
19-02-1982
|
|
Sunspot
structure |
At
the Sun's surface, sunspots are known to be dark, planet-sized
regions of intense magnetic fields. |
|
-
|
|
|
-
|
|
Grey
Sun Seething |
The
Sun's surface is not smooth. It has thousands of bumps called
granules... |
|
8-01-1997
|
|
Solar
granules |
Granules
are small (about 1000 km across) cellular features that cover
the entire Sun... |
|
10-07-1997
|