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