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