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