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