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