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