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