A) chronosphere B) photosphere C) core D) corona
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) nuclear fusion D) all of the above
A) the moon B) the sunset C) solar winds D) the northern lights
A) chronosphere B) corona C) photosphere D) convection zone
A) gamma rays B) microwaves C) radio waves D) x rays
A) radio waves B) x rays C) microwaves D) gamma rays
A) True B) False
A) the visible spectrum B) infered light C) ultraviolet light D) we can see all of the electromagnetic spectrum
A) 93 million miles B) 1 light year C) 93 thousand miles D) 93 billion miles |