A) photosphere B) chronosphere C) corona D) core
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) the sunset C) solar winds D) the moon
A) chronosphere B) photosphere C) convection zone D) corona
A) gamma rays B) microwaves C) x rays D) radio waves
A) microwaves B) radio waves C) gamma rays D) x rays
A) True B) False
A) the visible spectrum B) we can see all of the electromagnetic spectrum C) infered light D) ultraviolet light
A) 1 light year B) 93 thousand miles C) 93 billion miles D) 93 million miles |