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