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