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