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