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