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