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