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