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