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