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