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