A) core B) chronosphere C) photosphere D) corona
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 sunset B) the northern lights C) solar winds D) the moon
A) chronosphere B) photosphere C) corona D) convection zone
A) x rays B) microwaves C) gamma rays D) radio waves
A) gamma rays B) radio waves C) x rays D) microwaves
A) True B) False
A) ultraviolet light B) infered light C) the visible spectrum D) we can see all of the electromagnetic spectrum
A) 1 light year B) 93 billion miles C) 93 million miles D) 93 thousand miles |