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