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