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