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