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