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