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