A) corona B) core C) photosphere D) chronosphere
A) lunar eclipse B) solar eclipse C) the aurora borealis D) flow of protons and electrons from sun
A) all of the above B) helium is formed C) 2 hydrogen atoms combine D) nuclear fusion
A) solar winds B) the northern lights C) the sunset D) the moon
A) chronosphere B) photosphere C) corona D) convection zone
A) gamma rays B) microwaves C) radio waves D) x rays
A) x rays B) radio waves C) gamma rays D) microwaves
A) False B) True
A) we can see all of the electromagnetic spectrum B) ultraviolet light C) the visible spectrum D) infered light
A) 93 thousand miles B) 93 million miles C) 1 light year D) 93 billion miles |