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