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