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