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