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