A) photosphere B) corona C) core D) chronosphere
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) all of the above D) helium is formed
A) solar winds B) the northern lights C) the sunset D) the moon
A) photosphere B) chronosphere C) corona D) convection zone
A) x rays B) microwaves C) gamma rays D) radio waves
A) gamma rays B) microwaves C) x rays D) radio waves
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 thousand miles B) 1 light year C) 93 billion miles D) 93 million miles |