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