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