ProfMoreau:
sun
ProfMoreau:
sun
ProfMoreau:
sunspots
ProfMoreau:
sunspots
ProfMoreau:
sunspots
ProfMoreau:
sunspots
ProfMoreau:
sunspots
ProfMoreau:
sunspots
ProfMoreau:
Sunspots
ProfMoreau:
Sunspots
ProfMoreau:
Sunspots (best of day)
ProfMoreau:
5 sunspots
ProfMoreau:
typically sunspots are Earth-sized
ProfMoreau:
typically sunspots are Earth-sized
ProfMoreau:
sun through a solar filter
ProfMoreau:
sun through a solar filter
ProfMoreau:
sun through a solar filter
ProfMoreau:
5 sunspots