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