A) core B) photosphere C) chronosphere D) corona
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) nuclear fusion D) 2 hydrogen atoms combine
A) the northern lights B) solar winds C) the sunset D) the moon
A) corona B) photosphere C) chronosphere D) convection zone
A) radio waves B) x rays C) microwaves D) gamma rays
A) x rays B) gamma rays C) radio waves 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 billion miles B) 1 light year C) 93 thousand miles D) 93 million miles |