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