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