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