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