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