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