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