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