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