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