A) chronosphere B) corona C) core D) photosphere
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) the northern lights B) the moon C) the sunset D) solar winds
A) convection zone B) corona C) chronosphere D) photosphere
A) x rays B) microwaves C) radio waves D) gamma rays
A) microwaves B) gamma rays C) x 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 million miles B) 93 billion miles C) 1 light year D) 93 thousand miles |