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