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