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