A) chronosphere B) core C) photosphere 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) nuclear fusion D) helium is formed
A) the sunset B) the moon C) solar winds D) the northern lights
A) corona B) photosphere C) convection zone D) chronosphere
A) gamma rays B) radio waves C) x rays D) microwaves
A) radio waves B) x rays C) gamma rays D) microwaves
A) True B) False
A) we can see all of the electromagnetic spectrum B) infered light C) ultraviolet light D) the visible spectrum
A) 93 million miles B) 93 thousand miles C) 93 billion miles D) 1 light year |