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