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