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