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