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