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