A) core B) corona C) chronosphere D) photosphere
A) lunar eclipse B) the aurora borealis C) flow of protons and electrons from sun D) solar eclipse
A) nuclear fusion B) 2 hydrogen atoms combine C) helium is formed D) all of the above
A) the sunset B) solar winds C) the northern lights D) the moon
A) convection zone B) photosphere C) corona D) chronosphere
A) radio waves B) x rays C) microwaves D) gamma rays
A) x rays B) gamma rays C) microwaves D) radio waves
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 million miles D) 93 thousand miles |