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