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