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