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