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