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