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