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