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