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