If a Sunspot Is Half as Bright as the Surrounding

Q38: When gas in a sunspot cools, it

Q39: Which of the following layers of the

Q40: Sunspots appear dark because they have _

Q41: Describe how helioseismologists measure the opacity of

Q42: If the Sun went through a period

Q44: If the core of the Sun were

Q45: Solar wind particles hit the surface of

Q46: The balance of energy in the solar

Q47: We know the Sun's corona is very

Q48: In the proton-proton chain, pictured in the