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