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