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