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