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