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