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