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