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