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