0
votes
0answers
32 views

Why does the sun have its magnetic field [closed]

I get the point that earth has its magnetic field because of the iron and metal in its core. However, why does the sun have its magnetic field if there are only hydrogen?
2
votes
1answer
54 views

Rosenberg-Coleman effect

I know only that it states some variations of the Sun's magnetic fields. What is the Rosenberg-Coleman effect specifically?
11
votes
2answers
346 views

How are the northern lights produced?

Although I've never seen it myself, I hear the northern lights are a sight to be seen! I know they're related to the Earth's magnetic field but I don't know much more about them. What is the physical ...