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