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