A) photosphere B) chronosphere C) core 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) nuclear fusion C) all of the above D) helium is formed
A) the moon B) solar winds C) the northern lights D) the sunset
A) corona B) convection zone C) chronosphere D) photosphere
A) radio waves B) x rays C) microwaves D) gamma rays
A) microwaves B) x rays C) radio waves D) gamma rays
A) True B) False
A) we can see all of the electromagnetic spectrum B) infered light C) the visible spectrum D) ultraviolet light
A) 93 billion miles B) 1 light year C) 93 million miles D) 93 thousand miles |