die Sonnenrotation
Translation
solar rotation
Examples
Die Sonnenrotation dauert etwa 27 Tage.
The solar rotation takes about 27 days.
Galilei studierte die Sonnenrotation.
Galileo studied the solar rotation.
Grammar Patterns
to calculate/study the solar rotation One can observe the solar rotation through sunspots.
Similar Words
Erdrotation (Earth's rotation)
Etymology
From 'Sonne' (sun) + 'Rotation' (rotation). A direct compound word.
Memory Tips
Just like 'Earth's rotation' (Erdrotation), this is simply 'Sun's rotation'.