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