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