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