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