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