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